Quectel EC25 series, EC25-A User Manual

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Us

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Rev.

Date:

25

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EC25-A

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EC25-AU

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Figure Ind

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1 Introd

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1.1.

2 Produ

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2.1.

2.2.

2.

2

2.3.

2.4.

2.5.

3 Applic

3.1.

3.2.

3.3.

3.4.

3.5.

3.

5

3.

5

3.6.

3.

63.63.63.6

3.7.

3.

73.7

3.8.

3.9.

3.10.

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3 5 6 7

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3.12.

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5.1.

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35.3

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7 Mecha

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TE Modul

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............... 3

............... 4

2

............... 4

3

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3

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

Table In

TABLE 1:

E

TABLE 2:

E

TABLE 3: I

O

TABLE 4:

P

TABLE 5:

O

TABLE 6:

V

TABLE 7:

P

TABLE 8:

R

TABLE 9:

P

TABLE 10:

TABLE 11:

P

TABLE 12:

TABLE 13:

L

TABLE 14:

TABLE 15:

TABLE 16:

TABLE 17:

TABLE 18:

W

TABLE 19:

TABLE 20:

TABLE 21:

TABLE 22:

TABLE 23:

T

TABLE 24:

TABLE 25:

TABLE 26:

A

TABLE 27:

A

TABLE 28:

T

TABLE 29:

TABLE 30:

TABLE 31:

TABLE 32:

TABLE 33:

T

TABLE 34:

TABLE 35:

TABLE 36:

dex

C25 SERIE

C25 KEY F

PARA ME

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IN DESCRI

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Figure I

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FIGURE 2:

FIGURE 3:

FIGURE 4:

FIGURE 5:

FIGURE 6:

FIGURE 7:

FIGURE 8:

FIGURE 9:

FIGURE 1

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This docu

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This docum

details, as

w

guide, you

c

1.1. Saf

e

The followi

n

service or r

e

terminal sh

o

these guid

e

customer’s

tro

d

ent defines

ith your a

p

ent can hel

p

ell as othe

an use EC

2

ty Infor

m

g safety p

r

pair of any

uld send t

h

lines into a

failure to c

o

FadrSsttMSf

s

EC25-A_U

s

ucti

o

the EC25

m

plication.

you quickl

y

r

related inf

o

5 module t

o

ation

ecautions

m

cellular ter

m

e following

ll manuals

s

mply with t

h

ull attentio

n

ccident. U

istraction a

estricting t

h

witch off th

witched off

o prevent i

n

he use of

w

ode which

witch off

y

acilities. T

h

entitive me

er_Manua

l

n

odule and

d

understan

rmation of

design an

ust be ob

inal or mo

b

safety info

r

upplied wit

ese precau

must be

g

sing a mo

nd can lead

e use of wi

r

e cellular te

. The opera

t

terference

w

ireless devi

c

must be e

n

our wirele

s

ese reque

s

dical equip

m

Confidenti

escribes it

s

d module in

EC25 mod

u

d set up m

o

served duri

ile incorpo

r

mation to u

h the produ

tions.

iven to driv

i

bile while

to an accid

eless devic

e

rminal or m

o

ion of wirel

e

ith commu

es on boar

abled prior

t

s device

w

ts are de

s

ent.

al / Releas

e

air interfac

terface spe

c

le. Associ

a

bile applica

ng all phas

ating EC25

sers and o

p

ct. If not so

ng at all ti

m

driving (ev

e

ent. You m

u

s while dri

v

bile before

ss applian

c

nication sy

s

ding the air

c

o boarding

hen in ho

s

inged to

p

d 7 / 6

9

e and hard

w

ifications,

e

ted with ap

p

tions easily.

es of the o

module. M

a

erating per

s

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s

es in order

n with a

st comply

w

ing.

boarding a

n

es in an ai

r

tems. Cons

raft, if your

an aircraft.

pitals,clini

c

revent po

s

L

EC25-AU

are interfa

c

lectrical an

d

lication no

t

peration, s

u

nufacturer

s

onnel and

sumes no

to reduce t

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handsfree

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aircraft. M

a

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b

ult the airlin

device offe

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sible inter

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TE Modul

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mechanic

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ch as usa

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to incorpor

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liability for

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e risk of a

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kit) cause

s

regulation

s

ke sure it i

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idden, so a

s

e staff abou

s a Airplan

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health car

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erence wit

h

l

r

e,

lar

te

he

t

CnfhtaYit

u

I

o

pfc

EC25-A_U

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ellular ter

m

etwork ca

n

ee or with

a

elp, pleas

e

he cellular

dequate c

e

our cellula

r

receives

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sed close t

n locations

ff wireless

otencially

e

uel or che

hemicals o

r

er_Manua

l

inals or

m

not be gua

r

n invalid SI

remember

terminal or

llular signal

terminal o

r

nd transmit

s

o TV set, ra

with poten

c

devices su

xplosive a

t

mical tran

s

particles s

u

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obiles ope

r

anteed to

c

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using eme

r

mobile mu

strength.

mobile con

t

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u

dio, compu

t

ially explos

ch as your

mospheres

fer or sto

r

ch as grai

n

al / Releas

e

atingover

r

onnect in a

l

ile you are i

gency call.

t be switc

h

ains a tran

s

ency ener

g

er or other

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ive atmosp

h

phone or

o

includefuel

age faciliti

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, dust or m

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adio frequ

e

l conditions

n this condi

t

In order to

ed on an

d

mitter and

r

y. RF inter

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lectric equi

eres, obey

ther cellul

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ling areas,

s, areas

w

tal powder

s

L

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ncy signal

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tion and ne

e

make or r

e

in a servi

c

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h

erence can

pment.

all posted

s

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and cellula

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e

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h

en it is ON

occur if it i

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n

Areas wit

h

s on boat

s

air contain

s

l

r

t

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2

P

2.1. Ge

n

EC25 is a

module wit

HSPA+, H

S

GNSS1) an

d

EC25-V an

following ta

b

Table 1: E

C

1. 1)GNS

S

2. 2)EC25

Data-o

With a tin

y

application

s

computing

d

EC25 is an

NOTES

rod

u

eral De

s

series of

F

h receive

d

DPA, HSU

P

voice func

t

d EC25-A

U

le shows t

h

25-A Freq

u

function is

series (E

C

nlyversion

d

profile of

such as

a

evice, PD

A

SMD type

m

EC25-A_U

s

ct C

o

cription

DD-LTE /

T

iversity, w

h

A, WCDM

A

ionality2) fo

r

T. You ca

n

e frequenc

y

ency Ban

d

optional.

25-E/EC25

-

oes not su

p

32.0mm ×

2

utomotive,

phone and

odule whi

c

FDD

-

(with Rx-

d

TDD

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(with Rx-

d

WC

D

(with Rx-

dGS

GN

S

er_Manua

l

nce

DD-LTE /

W

ich provid

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your speci

f

choose t

h

bands of

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s

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port voice

f

9.0mm ×2.

4

metering,

tablet PC,

e

h can be e

m

LTE

iversity)

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iversity)

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iversity)

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S

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s data co

n

MA, CDMA

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ic applicati

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C25 serie

s

C25-AUT)

unction, w

h

mm, EC2

5

tracking s

y

tc.

bedded in

EC25-

A

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/

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B2/B4

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GPS,

G

BeiDo

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al / Releas

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nectivity o

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EDGE and

G

n.EC25 co

n

type bas

e

modules.

includes D

a

ile Telema

t

can mee

t

stem, secu

application

s

B12

pported

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pported

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d 9 / 6

9

MA/GSM

w

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tains fourv

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r

ta-only a

n

ics version

almost all

rity, router,

through its

Galileo,QZ

S

L

EC25-AU

ireless co

m

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rks. It can

riants:EC2

5

egion or o

p

d Telemati

supports it.

requireme

n

wireless

P

144-pin pa

d

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municatio

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DC-HSPA

+

also provid

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A

erator. Th

e

s version

s

ts for M2

M

OS, mobil

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s, includin

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l

,

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80LCC sig

n

2.2. Dir

e

2.2.1. FC

C

Any Chang

e

This device

(1) This de

v

received, in

2.3. Ke

y

The followi

n

Table 2: E

C

Feature

Power Su

Transmitti

LTE Feat

u

WCDMA

F

Internet P

SMS

E

al pads an

d

ctives a

Statem

e

s or modifi

c

the user’

s

complies

w

ice may n

o

cluding inte

Featur

e

g table des

25 Key Fe

a

pply

ng Power

res

eatures

rotocol Fea

t

C25-A_U

s

64 other p

a

nd Stan

d

nt

ations not

e

authority t

o

ith part 15

o

t cause h

a

rference th

a

s

cribes the d

tures

Det

a

Sup

p

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Sup

p

Sup

p

Sup

p

FD

DTDD

Sup

p

Sup

p

3GP

ures

Sup

p

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p

(Ch

a

con

n

Text

Poin

er_Manual

C

ds.

ards

xpressly a

p

operate th

e

f the FCC

rmful interf

e

t may caus

e

etailed feat

u

ils

ly voltage:

s 3 (24dBm

s 3 (23dBm

ort up to n

o

ort 1.4 to 2

ort Multius

e

: Max 50M

b

: Max 35M

b

ort 3GPP

R

ort 16-QA

M

P R6 CAT6

P R8 CAT2

4

ort TCP/U

D

ort the pro

t

llenge Ha

n

ections

and PDU

m

t to point M

O

onfidenti

a

proved by

t

equipmen

Rules. Ope

r

rence, an

d

undesired

res of EC2

3.3V~4.3V

T

+1/-3dB) fo

r

±2dB) for L

T

±2dB) for L

T

n-CA CAT

4

0MHz RF b

a

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ps (UL), 15

ps (UL), 13

8 DC-HSP

A

, 64-QAM

a

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a

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A

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P

ocols PAP

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u

ode

and MT

l / Release

he party re

s

t.

ation is su

b

(2) this d

e

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5 module.

ypical sup

p

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b

E FDD ba

n

E TDD ba

n

ndwidth

DL directio

n

0Mbps (DL

)

0Mbps (DL

)

+

nd QPSK

m

x 5.76Mbp

s

+: Max 42

M

/HTTP/SM

T

(Password

A

thenticatio

n

d 10 /

6

ponsible f

o

ject to the

f

vice must

a

ly voltage:

3

ands

ds

odulation

(UL)

bps (DL)

P/MMS/N

T

uthenticati

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L

EC25-AU

9

r complian

c

ollowing tw

o

ccept any

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P/PING/Q

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on Protocol

usually us

e

TE Modul

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a

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condition

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I protocols

) and CHA

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d for PP

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l

:

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e

Audio Fe

a

PCM Inte

r

USB Inter

f

UART Int

e

Rx-diversi

GNSS Fe

a

AT Com

m

Network I

n

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n

Physical

C

Temperat

u

Firmware

RoHS

E

rface

tures

face

ace

rface

ty

tures

ands

dication

terface

haracterist

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re Range

Upgrade

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SSMS

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p

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pWCD

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d

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p

Sup

p

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d

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n

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d

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d

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p

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u

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d

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n

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f

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VBAT_BB

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requency

ral interfac

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In order to

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n

EC25 is e

q

beconnect

e

in the follo

w

 Power

 USIM i

n

 USB in

 UART

i

 PCM i

n

 ADC i

n

 Status

3.2. Pin

The followi

n

E

ppli

c

eral De

s

uipped wi

t

d to cellula

r

ing chapte

r

supply

terface

nterface

terface

terface indication

Assign

m

g figure sh

o

C25-A_U

s

atio

n

cription

h an80-pin

application

s:

ent

ws the pin

er_Manual

C

Int

e

SMT pad

platform. S

assignment

onfidenti

a

rfac

e

plus 64-pi

n

ub-interfac

e

of the EC2

5

l / Release

ground

p

s included i

module.

d 14 /

6

ads and r

e

n these pad

L

EC25-AU

9

served pa

s are descr

i

TE Modul

e

ser Manu

a

s that ca

n

bed in deta

i

l

WARW_

NNET

USIM_

P

UUUURUR

R

1. Keep

a

2. GND p

a

not be

d

3. “※” me

a

NOTES

E

3

1

4

5

6

7

2

AKEUP _ IN

_R EAD Y

ESERVED

DI SABLE #

ET _MO DE

_STATUS

VDD _EXT

GND

DBG_RXD

DBG_TXD

RESEN C

E

SIM_ VDD

SIM_ DAT A

SIM _ CL K

SIM _ RST

ESERVED

8

9

10

11

12

13

14

15

16

17

18

SIM _GN D

ESERVED

141

142

ll RESERV

E

ds 85~112

esigned in

ns these in

C25-A_U

s

1

9

7

2

G

N

D

G

N

D

113

RE SE RV ED

117

126

125

124

123

122

121

120

119

118

127

128

11 5

RESERVED

11 6

139

140

138

137

136

135

134

133

132

131

130

129

114

Powe r Pin s

Fi

Dpins and

should be

c

schematic

a

terface fun

c

er_Manual

C

202122

2

319

7

2

717069

6

8

G

N

D

RESET_N

PW RKEY

GND

R

ESE

R

VED

G

N

D

USB_VBUS

USB_DM

USB_DP

R

X

D

106

107

111

112

103

104109

105110

108

GN

D

gure 2: Pi

n

unused pin

s

onnected t

o

nd PCB d

e

tions are o

n

onfidenti

a

242526

27

676665

64

PCM _IN※PCM _O UT※PCM _S YNC※PCM _CL K

※

TXD

DTR

RTS

CT S

76

77

78

79

80

81

82

83

84

100

101

102

9

99

Pin s

Assignm

e

unconnec

t

ground in

t

cal.

ly supporte

l / Release

282930

31

636261

60

RESERVED

DCD

RI

STA TU S

VBAT_BB

V

B

A

T

_

B

73

74

75

94

939

7

919

6

909

5

92

Signal Pins

nt (Top Vi

e

ed.

he design,

a

d on Telem

a

d 15 /

6

34

35

3

6

32

33

595857

56

5

R

ES E

R

VE D

RESERVED

ANT_DIV

G

N

D

VBAT_RF

VB AT_ RF

GND

R

ESE

R

VED

89

88

86

85

87

RESERVED

RE

S

w)

nd RESE

R

tics versi

o

L

EC25-AU

9

54

53

52

51

50

49

48

47

46

45

44

43

42

41

40

39

38

37

GN

D

GN

D

ANT

_GND

ANT

GN

DADC

RES

I2C

_

I2C

_

RES

AD

CGNDGNDGND

RES

ERVED Pin s

RES

143

144

VED pads

7

n.

TE Modul

e

ser Manu

a

MAIN

_GN SS

1

ERVED

SDA

SCL

ERVED

0

ERVED

3~84shoul

d

l

3.3. Pin

The followi

n

Table 3: IO

Type

IO

DI

DO

PI

PO

AI

AO

OD

Table 4: Pi

n

Power Su

Pin Name

VBAT_BB

VBAT_RF

VDD_EX

T

GND

E

Descrip

t

g tables sh

o

Paramete

r

Descripti

o

pply

Pin No.

59,60

57,58

7

8,9,19,2

6,46,48,

~54,56,

7

85~112

C25-A_U

s

ion

w the EC2

s Definitio

n

Des

c

Bidi

r

Digi

t

Digi

t

Pow

e

Pow

e

Anal

Ope

n

I/O

PI

PO

2,3

50

2,

er_Manual

C

5’s pin defi

n

ription

ectional inp

al input

al output

r input

r output

og input

og output

drain

Descriptio

n

Power sup

p

module ba

s

part.

Power sup

p

module RF

Provide 1.8

V

external cir

c

Ground.

onfidenti

a

ition.

ut/output

D

ly for

eband

V

ly for

part.

VVV

for

uit.

V

l / Release

C Charac

t

max=4.3V

min=3.3V

norm=3.8

V

max=4.3V

min=3.3V

norm=3.8

V

norm=1.8

V

IOmax=50m

d 16 /

6

eristics

C

I

p

c

I

pct

A

Pec

L

EC25-AU

9

omment

t must be a

b

rovide suffi

urrent up t

o

t must be a

b

rovide suffi

urrent up t

o

ransmitting

ower supp

xternal GP

ircuits.

TE Modul

e

ser Manu

a

le to

cient

0.8A.

le to

cient

1.8A in a

burst.

ly for

IO’s pull up

l

Turn on/o

f

Pin Name

PWRKEY

RESET_N

Status In

d

Pin Name

STATUS

NET_MO

D

NET_

STATUS

USB Inter

f

Pin Name

USB_VB

U

USB_DP

USB_DM

USIM Inte

Pin Name

USIM_GN

USIM_VD

D

E

f

Pin N

o

21

20

ication

Pin N

o

61

E 5

6

ace

Pin N

o

S 71

69

70

rface

Pin N

o

D 10

14

C25-A_U

s

. I/O

DI

. I/O

OD

DO

. I/O

PI

IO

. I/O

PO

er_Manual

C

Descriptio

n

Turnon/off t

module.

Reset the

m

Descriptio

n

Indicate th

e

operating s

t

Indicate th

e

network re

g

mode.

Indicate th

e

network ac

t

status.

Descriptio

n

USB detect

USB differe

bus.

USB differe

bus.

Descriptio

n

Specified g

r

USIM card.

Power sup

p

USIM card.

onfidenti

a

he

odule.

module

atus.

module

istration

module

ivity

ion.

ntial data

ound for

ly for

l / Release

DC Chara

c

VIHmax=2.1

V

IH

min=1.3

V

VILmax=0.5

VIHmax=2.1

V

IH

min=1.3

V

VILmax=0.5

DC Chara

c

The drive c

u

should be l

e

0.9mA.

VOHmin=1.

3

VOLmax=0.

4

VOHmin=1.

3

VOLmax=0.

4

DC Chara

c

Vnorm=5.0

V

Compliant

w

2.0 standar

d

specificatio

n

Compliant

w

2.0 standar

d

specificatio

n

DC Chara

c

For 1.8V U

S

Vmax=1.9

V

Vmin=1.7V

For 3.0V U

S

d 17 /

6

teristics

V

teristics

rrent

ss than

5V

teristics

ith USB

.

ith USB

.

teristics

IM:

L

EC25-AU

9

Commen

t

Commen

t

Require e

x

pull-up. If

u

keep it op

e

1.8V pow

e

If unused,

open.

1.8V pow

e

If unused,

open.

Commen

t

Require di

impedanc

e

Require di

impedanc

e

Commen

t

Either 1.8

V

supported

module a

u

TE Modul

e

ser Manu

a

ternal

nused,

n.

r domain.

keep it

r domain.

keep it

fferential

of 90ohm.

fferential

of 90ohm.

or 3V is

by the

tomatically.

l

USIM_DA

T

USIM_CL

K

USIM_RS

T

USIM_

PRESEN

C

UART Int

e

Pin Name

RI

DCD

CTS

E

A 15

16

17

E

13

rface

Pin N

o

62

63

64

C25-A_U

s

IO

DO

DI

. I/O

DO

er_Manual

C

Data signal

card.

Clock sign

a

card.

Reset sign

a

USIM card.

USIM card

i

detection.

Descriptio

n

Ring indica

t

Data carrie

r

detection.

Clear to se

n

onfidenti

a

of USIM

l of USIM

l of

nsertion

o

r

d.

l / Release

Vmax=3.05

Vmin=2.7V

I

O

max=50

m

For 1.8V U

S

VILmax=0.6

V

IH

min=1.2

V

VOLmax=0.

4

VOHmin=1.

3

For 3.0V U

S

VILmax=1.0

V

IH

min=1.9

5

VOLmax=0.

4

VOHmin=2.

5

For 1.8V U

S

VOLmax=0.

4

VOHmin=1.

3

For 3.0V U

S

VOLmax=0.

4

VOHmin=2.

5

For 1.8V U

S

VOLmax=0.

4

VOHmin=1.

3

For 3.0V U

S

VOLmax=0.

4

VOHmin=2.

5

VILmin=-0.

3

VILmax=0.6

V

IH

min=1.2

V

VIHmax=2.

0

DC Chara

c

VOLmax=0.

4

VOHmin=1.

3

VOLmax=0.

4

VOHmin=1.

3

VOLmax=0.

4

VOHmin=1.

3

d 18 /

6

V

A

IM:

V

5V

IM:

V

5V

IM:

5V

IM:

5V

IM:

5V

IM:

5V

V

teristics

5V

L

EC25-AU

9

1.8V pow

e

If unused,

open.

Commen

t

1.8V pow

e

If unused,

open.

1.8V pow

e

If unused,

open.

1.8V pow

e

If unused,

TE Modul

e

ser Manu

a

r domain.

keep it

r domain.

keep it

r domain.

keep it

r domain.

keep it

l

RTS

DTR

TXD

RXD

Debug U

A

Pin Name

DBG_TX

D

DBG_RX

D

ADC Inte

r

Pin Name

ADC0

ADC1

PCM Inte

r

Pin Name

E

65

66

67

68

RT Interfa

c

Pin N

o

12

11

face

Pin N

o

45

44

face

Pin N

o

C25-A_U

s

DI

DO

DI

e

. I/O

DO

DI

. I/O

AI

. I/O

er_Manual

C

Request to

Data termi

n

ready,sleep

control.

Transmit d

a

Receive da

t

Descriptio

n

Transmit d

a

Receive da

t

Descriptio

n

General pu

r

analog to d

i

converter.

General pu

r

analog to d

i

converter.

Descriptio

n

onfidenti

a

send.

al

mode

ta.

a.

ta.

a.

pose

gital

pose

gital

l / Release

VILmin=-0.

3

VILmax=0.6

V

IH

min=1.2

V

VIHmax=2.

0

VILmin=-0.

3

VILmax=0.6

V

IH

min=1.2

V

VIHmax=2.

0

VOLmax=0.

4

VOHmin=1.

3

VILmin=-0.

3

VILmax=0.6

V

IH

min=1.2

V

VIHmax=2.

0

DC Chara

c

VOLmax=0.

4

VOHmin=1.

3

VILmin=-0.

3

VILmax=0.6

V

IH

min=1.2

V

VIHmax=2.

0

DC Chara

c

Voltage ran

0.3V to VB

A

Voltage ran

0.3V to VB

A

DC Chara

c

d 19 /

6

V

5V

V

teristics

5V

V

teristics

ge:

T_BB

ge:

T_BB

teristics

L

EC25-AU

9

open.

1.8V pow

e

If unused,

open.

1.8V pow

e

Pull-up by

Low level

w

the modul

e

If unused,

open.

1.8V pow

e

If unused,

open.

1.8V pow

e

If unused,

open.

Commen

t

1.8V pow

e

If unused,

open.

1.8V pow

e

If unused,

open.

Commen

t

If unused,

open.

If unused,

open.

Commen

t

TE Modul

e

ser Manu

a

r domain.

keep it

r domain.

default.

akes up

.

keep it

r domain.

keep it

r domain.

keep it

r domain.

keep it

r domain.

keep it

l

PCM_IN

PCM_OU

T

PCM_SY

N

PCM_CL

K

I2C Interf

a

Pin Name

I2C_SCL

I2C_SDA

RF Interf

a

Pin Name

ANT_DIV

ANT_MAI

N

ANT_GN

S

GPIO Pin

s

Pin Name

E

24

25

C 26

27

ce

Pin N

o

41

42

ce

Pin N

o

35

49

S 47

N

C25-A_U

s

DI

DO

IO

. I/O

OD

. I/O

AI

IO

AI

o. I/O

er_Manual

C

PCM data i

n

PCM data

o

PCM data f

r

sync signal

.

PCM clock.

Descriptio

n

I2C serial c

l

Used for e

x

codec.

I2C serial d

Used for e

x

codec.

Descriptio

n

Diversity a

n

Main anten

n

GNSS ante

Descriptio

n

onfidenti

a

put.

utput.

ame

ock.

ternal

ata.

ternal

tenna.

a.

nna.

l / Release

VILmin=-0.

3

VILmax=0.6

V

IH

min=1.2

V

VIHmax=2.

0

VOLmax=0.

4

VOHmin=1.

3

VOLmax=0.

4

VOHmin=1.

3

VILmin=-0.

3

VILmax=0.6

V

IH

min=1.2

V

VIHmax=2.

0

VOLmax=0.

4

VOHmin=1.

3

VILmin=-0.

3

VILmax=0.6

V

IH

min=1.2

V

VIHmax=2.

0

DC Chara

c

DC Chara

c

50ohm imp

e

50ohm imp

e

50ohm imp

e

DC Chara

c

d 20 /

6

V

5V

V

5V

V

teristics

dance.

teristics

L

EC25-AU

9

1.8V pow

e

If unused,

open.

1.8V pow

e

If unused,

open.

1.8V pow

e

In master an output

s

slave mod input sign

a

If unused, open.

1.8V pow

e

In master an output

s

slave mod input sign

a

If unused,

open.

Commen

t

External p

resistor is

1.8V only.

keep it op

e

External p

resistor is

1.8V only.

keep it op

e

Commen

t

If unused,

open.

If unused,

open.

Commen

t

TE Modul

e

ser Manu

a

r domain.

keep it

r domain.

keep it

r domain.

mode, it is

ignal. In

e, it is an

l.

keep it

r domain.

mode, it is

ignal. In

e, it is an

l.

keep it

ull-up

required.

If unused,

n.

ull-up

required.

If unused,

n.

keep it

l

WAKEUP

_

W_DISAB

L

AP_REA

D

RESERV

E

Pin Name

RESERV

E

3.4. Op

e

The table b

e

Table 5: O

v

Mode

Normal

Operation

Minimum

Functionali

t

Mode

Airplane

Mode

E

IN 1

E# 4

Y 2

D Pins

Pin N

o

D

3, 18,

2

28~34

,

37~40

,

55, 73

~

113~1

4

rating

M

low briefly

erview of

O

Detail

s

Idle

Talk/D

a

y

AT+C

F

withou

t

invalid

.

AT+C

F

mode.

C25-A_U

s

DI

. I/O

3,

43,

84,

4

odes

summarize

s

perating

M

S

r

e

ta

N

d

e

UN comm

a

removing

t

UN comm

a

In this cas

e

er_Manual

C

Sleep mod

e

Airplane m

o

control.

Application

processor

s

state detec

t

Descriptio

n

Reserved.

the variou

s

odes

oftware is

a

ady to sen

d

etwork con

n

cided by n

e

nd can se

t

he power s

u

nd or W_

D

, RF functi

o

onfidenti

a

control.

de

leep

ion.

operating

ctive. The

m

and recei

v

ection is o

n

twork setti

n

the modul

pply. In thi

s

ISABLE#

p

n will be in

v

l / Release

VILmin=-0.

3

VILmax=0.6

V

IH

min=1.2

V

VIHmax=2.

0

VILmin=-0.

3

VILmax=0.6

V

IH

min=1.2

V

VIHmax=2.

0

VILmin=-0.

3

VILmax=0.6

V

IH

min=1.2

V

VIHmax=2.

0

DC Chara

c

modes refe

r

odule ha

s

e data.

going. In t

h

gand data

e entering

i

case, bot

h

in can set

alid.

d 21 /

6

V

teristics

red in the f

o

registered

t

is mode, th

transfer rat

e

nto a mini

m

RF functio

the modul

e

L

EC25-AU

9

1.8V pow

e

Pull-up by

Low level

w

the modul

e

unused, k

e

1.8V pow

e

Pull-up by

In low volt

a

module c

a

airplane

m

unused, k

e

1.8V pow

e

If unused,

open.

Commen

t

Keep thes

unconnec

t

llowing ch

a

o the netw

o

e power co

n

.

um functi

o

n and USI

M

entering i

TE Modul

e

ser Manu

a

r domain.

default.

akes up

. If

ep it open.

r domain.

default.

ge level,

n enter into

ode. If

ep it open.

r domain.

keep it

e pins

ed.

pters.

rk, and it i

s

sumption i

s

nality mod

e

card will b

e

nto airplan

e

l

Sleep Mod

e

Power Do

w

Mode

3.5. Po

w

3.5.1. Sl

e

EC25 is abl

section des

3.5.1.1. UA

R

If host co

m

enter into t

h

 Execut

 Drive

D

The followi

n

 Driving

 When

E

about

R

 AP_R

E

In this

During

TCP/U

n

In this

active.

and V

B

er Savi

n

ep Mod

e

e to reduce

cribes EC2

5

T Applica

t

municates

w

e sleep mo

d

e AT comm

a

TR to high

g figure sh

o

host DTR t

o

C25 has

U

I behavior.

ADY will d

e

C25-A_U

s

mode, the

c

this mode,

DP data fro

mode, the

p

The serial

i

AT_BB) re

m

g

its current

c

’s power s

a

ion

ith modul

e

e.

nd

A

T+QS

C

level.

ws the con

AP_R

E

Module

F

low level

w

RC to rep

o

tect the sle

e

er_Manual

C

urrent cons

the modul

e

m the netw

o

ower man

a

nterface is

n

ains appli

e

onsumptio

n

ving proce

d

via UART

LK=1 to e

nection bet

w

RXD

TXD

RI

DTR

AD

Y

GND

igure 3: U

A

ill wake u

p

rt, RI sign

a

p state of

h

onfidenti

a

umption of

t

can still

r

rk normall

y

gement uni

ot accessi

b

d.

to a mini

m

ure.

interface,

t

nable the sl

e

een the m

o

A

RT Sleep

the modul

e

l will wake

ost (can b

e

l / Release

he module

w

eceive pag

i

.

t shuts dow

le. Operati

n

um value d

u

he followin

g

ep mode.

dule and t

h

TX

DRXD

EIN

GPI

GN

D

Applicatio

n

.

up the hos

t

configured

d 22 /

6

ill be redu

c

ng messa

g

n the powe

r

g voltage (

ring the sl

e

preconditi

e host.

T

O

Host

. Refer to

C

to high lev

e

L

EC25-AU

9

ed to the

m

e, SMS, v

o

supply. So

connected

t

ep mode.

T

ons can let

hapter 3.

1

l or low lev

e

TE Modul

e

ser Manu

a

inimal level

ice call an

d

ftware is n

o

o VBAT_R

F

he followin

g

the modul

e

for detail

s

l detection

)

l

.

t

.

Refer t

o

3.5.1.2. US

B

If host sup

p

application.

There are t

h

 Execut

 Ensur

e

 The h

o

state.

The followi

n

 Sendin

 When

E

wake

u

3.5.1.3. US

B

If host sup

p

needed to

w

There are t

h

 Execut

 Ensur

e

 The h

o

E

AT com m

a

Applicati

o

orts USB s

u

reeprecon

d

e AT comm

a

the DTR is

st’s USB b

u

g figure sh

o

g data to E

C

C25has U

R

p the host.

Applicati

o

orts USB

s

ake up the

reeprecon

d

e AT comm

a

the DTR is

st’s USB b

u

C25-A_U

s

nd

A

T+QC

F

n with US

B

spend/res

u

itions tolet

t

nd

A

T+QS

C

held in hig

h

s, which i

s

ws the con

USB_

V

US

B

AP_R

E

Modul

e

Figure 4:

S

25through

C to repor

t

n with US

B

uspend/res

host. The f

o

itions to let

nd

A

T+QS

C

held in hig

h

s, which i

s

er_Manual

C

G=“aprea

d

Remote

W

me and re

m

he module

LK=1 to e

level or ke

e

connecte

d

nection bet

w

BUS

B_DP

_DM

ADY

GND

leep Appli

c

USB will w

a

, the modul

e

Suspend

/

ume, but d

o

llowing par

t

the modul

e

LK=1 to e

level or ke

e

connecte

d

onfidenti

a

” for det

a

akeup Fu

n

ote wakeu

p

enter into t

h

nable the sl

e

p it open.

with the

m

een the m

o

ation with

ke up the

m

will send

r

/

Resume a

n

es not su

p

will show t

enter into t

nable the sl

e

p it open.

with the

m

l / Release

ils.

ction

function, t

h

e sleep mo

ep mode.

odule’s US

dule and t

h

VD

US

GP

I

GN

USB Rem

o

odule.

emote wak

e

d RI Func

t

port remot

e

he sleep ap

he sleep m

o

ep mode.

odule’s US

d 23 /

6

e following

de.

B interface

,

e host.

D

B_D P

B_ DM

O

Host

D

te Wakeu

p

-up signal

s

ion

wake-up f

u

plication.

de.

B interface

,

L

EC25-AU

9

part will sh

o

enters int

o

toUSB BU

S

nction, the

enters int

o

TE Modul

e

ser Manu

a

w the slee

p

suspende

d

so as to

RI signal i

s

suspende

d

l

state.

The followi

n

 Sendin

 When

E

3.5.1.4. US

B

If host doe

s

circuit to let

 Execut

 Ensur

e

 Discon

The followi

n

E

g figure sh

o

g data to E

C

C25has U

R

Applicati

o

not suppor

t

the modul

e

e AT comm

a

the DTR is

nect USB_

V

g figure sh

o

C25-A_U

s

ws the con

USB_

VUSBUSB

AP_R

E

Module

G

F

25through

C to repor

t

n without

USB susp

e

enter into

s

nd

A

T+QS

C

held in hig

h

BUS.

ws the con

US

BUUAP

Mod

u

Figure 6:

S

er_Manual

C

nection bet

w

BU

S

_DP

_DM

AD

Y

ND

RI

igure 5: Sl

USB will w

a

, RI signal

w

USB Susp

e

nd functio

n

leep mode.

LK=1 to e

level or ke

e

nection bet

w

_VBUS

SB_DP

SB_DM

_READY

le

RI

GND

leep Appli

c

onfidenti

a

een the m

o

eep Applic

a

ke up the

m

ill wake up

nd Functi

o

, you shoul

d

nable the sl

e

p it open.

een the m

o

Power Swit ch

ation with

o

l / Release

dule and t

h

VD

DUSBUSB

GPI

OGND

EIN

T

tion with

R

odule.

the host.

n

disconnec

t

ep mode.

dule and t

h

VDD

USB_

D

USB_

D

GPIO

H

EINT

GPIO

GND

ut Suspe

n

d 24 /

6

e host.

_DP

_DM

Host

I

USB_VBU

e host.

M

ost

d Functio

n

L

EC25-AU

9

S with addi

t

TE Modul

e

ser Manu

a

ional contr

o

l

Opening p

o

You should

document

[

3.5.2. Ai

When the

m

correlative

w

Hardware:

The W_DI

S

mode.

Software:

Command

A

 AT+CF

U

 AT+CF

U

 AT+CF

U

1. The

W

comm

a

2. The ex

e

3.6. Po

w

3.6.1. P

o

EC25 provi

separate v

o

 VBAT

_

 VBAT

_

The followi

n

NOTES

NOTE

E

wer switch

t

pay attent

i

1

]

for mor

e

rplane M

o

odule ent

e

ith RF fun

c

ABLE# pin

T+CFUN

p

N=0: Mini

m

N=1: Full

f

N=4: Airpl

a

_DISABLE

#

nd AT+QC

F

cution of

AT

er Sup

p

wer Sup

p

des four V

B

ltage doma

RF with tw

o

BB with tw

o

g table sho

C25-A_U

s

o supply p

o

on to the l

e

details ab

o

de

rs into air

p

tion will be

is pulled up

rovides the

um functio

unctionality

ne mode.

R

control fu

G=“airpla

n

+CFUN c

o

ly

ly Pins

AT pins d

ins for VBA

T

pins for m

o

pins for m

o

ws the VB

A

er_Manual

C

wer to US

B

vel match

ut EC25 po

w

lane mod

e

inaccessibl

e

by default;

d

choice of t

h

nality mode

mode (by

d

F function

nction is di

econtrol”.

mmand will

edicated to

.

dule RF pa

dule baseb

T pins and

g

onfidenti

a

_VBUS will

shown in

d

er manag

e

, the RF f

u

. This mod

e

riving it to l

o

e functiona

;both USIM

efault).

is disabled.

sabled in f

i

Refer to d

o

not affect

G

connect

w

rt.

and part.

round pins

.

l / Release

wake up th

e

otted line

b

ment appli

c

nction doe

s

can be se

t

w level will

lity level <f

u

and RF fun

rmware by

cument [2

]

NSS functi

o

ith the ext

e

d 25 /

6

module.

etween m

o

ation.

not work,

with the fo

let the mo

d

n>=0, 1, 4.

ction are di

s

default. It

for details.

n.

rnal power

L

EC25-AU

9

dule and

h

and all A

T

llowing way

s

ule enter in

t

abled.

can be en

a

supply. T

h

TE Modul

e

ser Manu

a

ost.Refer t

o

command

s

.

o airplane

bled by A

T

ere are tw

o

l

Table 6:

VB

Pin Name

VBAT_RF

VBAT_BB

GND

3.6.2. D

e

The power

below 3.3

V

voltage dro

p

To decreas

e

ceramic ch

i

from an ex

t

structure.

T

should be

n

Three cera

m

capacitors

s

suggested

t

power is m

o

E

AT and G

N

Pin N

o

57,58

59,60

8,9,19

,

36,46,

48,50

~

72, 85

~

crease V

o

supply ran

g

. The follo

w

will be les

s

VB

A

Min.3.

voltage d

r

p (MLCC)

c

ernal appli

c

he width o

f

o less than

ic capacit

o

hould be pl

hat you sh

re than 0.5

W

C25-A_U

s

D Pins

.

22,

54,56,

112

ltage Dr

o

e of the m

o

ing figure

s

in 3G and

T

3V

Figure 7:

P

op, a bypa

s

apacitor c

a

ation has t

o

VBAT_BB

2mm.In pri

n

rs (100nF,

aced close

t

ould use a

. The foll

o

er_Manual

C

Descriptio

n

Power sup

p

part.

Power sup

p

baseband

p

Ground.

p

dule is fro

m

hows the

v

4G networ

k

Trans mit

burst

ower Sup

p

s capacitor

n provide t

h

be a singl

e

trace shoul

ciple, the l

o

33pF, 10p

F

o the VBA

T

zener diod

e

wing figure

onfidenti

a

ly for modu

art.

3.3Vto4.

3

oltage dro

p

s.

Drop

ly Limits

d

of about 1

0

e best co

m

voltage s

o

d be no le

s

ngerthe VB

) are reco

m

pins. In ad

d

of which

shows the

s

l / Release

Mi

le RF

3.

3

le

3.

3

-

V. Make su

during tr

a

Tr ansmit

burst

uring Tra

n

0µF with l

o

bination o

f

urce and e

x

s than 1m

m

AT trace is,

mended t

o

ition, in ord

reverse ze

n

tar structur

e

d 26 /

6

n. Ty

p

3.8

0

re the inpu

t

nsmitting b

smit Burst

w ESR sh

o

low ESR.

T

panded to

; andthe

w

the wider it

be applie

d

er to get a

s

er voltage

of the po

w

L

EC25-AU

9

. Max

4.3

-

voltage wil

urst in 2G

Ripple

uld be use

d

he main p

two sub pa

idth of VB

A

will be.

to the VB

A

table powe

r

is 5.1V an

d

er supply.

TE Modul

e

ser Manu

a

. Unit

V

l never dro

p

network.Th

e

. Multi-laye

ower suppl

y

ths with sta

T_RF trac

e

T pins. Th

e

source, it i

s

dissipatio

n

l

r

VBAT

D

5.

1

3.6.3. R

e

The power

d

the power

s

voltage dro

p

supply pow

output (VB

A

The followi

n

power sup

p

DC_IN

470uF

E

C1

100uF

+

1

V

ference

D

esign for t

h

ource. Th

e

between

t

er for mod

u

T), a buck

c

g figure sh

ly is about

3

100nF

C25-A_U

s

C2

100nF 3

3

Figur

e

esign fo

r

e module i

s

power su

p

he input a

n

le. If there

onverter is

ows a refer

e

.8V and th

e

51K

4.7

VBAT_EN

Figur

e

er_Manual

C

1

C3

pFC410pF

8: Star St

Power S

u

very impo

r

ply is capa

d output is

is a big vol

t

preferred t

o

nce desig

n

maximum

MI

C

IN

EN

2

1

K

47K

9: Refere

n

onfidenti

a

1

0

+

C5

00uF

ructure of

t

pply

tant, asthe

ble of provi

not too hig

h

age differe

n

be used a

s

for +5V in

p

load curren

t

29302WU

O

U

GND

A

D

J

3

5

ce Circuit

l / Release

C6

nFC733pF

he Power

S

performanc

ding suffici

e

, it is sugg

e

ce betwee

a power s

u

ut power

s

is 3A.

A

D

J

4

100K

47K

1%

of Power

S

d 27 /

6

V

BVB

C8

10pF

upply

e of the mo

d

nt current

u

sted that

y

n the input

pply.

ource. The

470R

upply

L

EC25-AU

9

Mod

u

AT _ RF

AT_ BB

ule largely

p to 2A at

ou shouldu

s

source and

designed o

470uF

TE Modul

e

ser Manu

a

le

depends o

n

least. If th

e

e a LDO t

o

the desire

d

utput for th

e

VBAT

100nF

l

3.6.4. M

o

You can u

s

refer to do

c

3.7. Tur

n

3.7.1. T

u

The followi

n

Table 7: P

W

Pin Name

PWRKEY

When EC2

5

low level f

o

PWRKEY.

A

released. A

The other

w

placed nea

r

from finger.

E

nitor the

e the AT+

C

ument [2].

on an

d

rn on Mo

d

g table sho

RKEY Pi

n

Pin No.

21

is in powe

r

r at least

1

fter STATU

simple

r

efe

r

Turn o

n

≥ 100

ay to contr

o

by the butt

A referenc

e

C25-A_U

s

Power S

u

BC comm

a

off Sce

n

ule Usin

g

ws the pin

d

Descripti

o

Descript

Turn on/

o

down mod

00ms. It i

s

S pin (req

u

ence circui

t

pulse

ms

Figure 10

l the PWR

K

on for ESD

circuit is s

h

er_Manual

C

pply

nd to moni

arios

the PW

R

efinition of

n

ion

ff the mod

u

e, it can be

recomme

n

ire extern

a

is illustrat

e

4.7

K

: Turn on t

h

EY is usin

g

protection.

ownin the f

o

onfidenti

a

tor the VB

A

KEY

PWRKEY.

DC

C

le.

V

IH

m

V

IH

m

VILm

a

turned on t

o

ded to us

e

l pull-up)

o

d in the foll

o

e Module

a button di

When pres

llowing fig

u

l / Release

T_BB volt

a

haracteris

ax=2.1V

in=1.3V

x=0.5V

normal m

o

an open

d

utputting

a

wing figure

47K

Using Driv

i

rectly. A TV

S

sing the ke

y

re.

d 28 /

6

ge value.

F

tics Co

m

de by drivi

n

rain/collec

t

low level,

.

PWR

ng Circuit

compone

n

, electrost

a

L

EC25-AU

9

or more d

e

ment

g the PWR

K

or driver t

o

PWRKEY

KEY

t is indisp

e

tic strike

m

TE Modul

e

ser Manu

a

tails, pleas

e

EY pin to

a

control th

e

pin can b

e

nsable to b

e

ay generat

e

l

The turn on

Make sure

t

30ms.

NOTE

E

scenario is

VBAT

PWR

K

RESE

T

STAT (OD)

UART

USB

hat VBAT i

s

C25-A_U

s

Figure

illustrated i

n

EY

_N

US

NOT

E

Fig

stable bef

o

er_Manual

C

S1

11: Turn o

n

the followi

VIL≤ 0.

5

≥ 100

m

I nacti

v

Inacti

v

ure 12: Ti

m

re pulling

d

onfidenti

a

Close to

TVS

the Modu

l

ng figure.

V

IH

≥

s

e

TBD

T

B

T

B

ing of Tur

n

own PWR

K

l / Release

S

1

e Using K

e

1.3V

D

ing on Mo

d

EY pin. Th

e

d 29 /

6

PWRKE

Y

ystroke

A

ule

time betw

e

L

EC25-AU

9

ctive

en them is

TE Modul

e

ser Manu

a

no less tha

n

l

3.7.2. T

u

The followi

n

 Norma

l

 Norma

l

3.7.2.1. Tur

Driving the

PWRKEY i

s

3.7.2.2. Tur

It is also a

s

the module

Please refe

3.8. Res

The RESE

T

low level v

o

E

rn off Mo

d

g procedur

e

power do

w

power do

w

n off Modu

PWRKEY

t

released.

T

VBAT

PWRK

E

Module Status

STATU

S

(OD)

n off Modu

afe way to

u

via PWRK

E

r todocum

e

et the M

_N can be

ltage for ti

m

C25-A_U

s

ule

s can be u

s

n procedur

e

n procedur

e

le Using th

e

o a low le

v

he power-

d

Y

RUN

N

Fig

le Using A

T

se AT com

Y Pin.

nt [2] for d

e

odule

used to res

e between

T

er_Manual

C

ed to turn

o

: Turn off t

h

: Turn off t

h

PWRKE

Y

el voltage,

own scena

r

TBD

ING

ure 13: Ti

m

Comman

d

mandAT+

Q

tails about

et the mod

u

reset_min

onfidenti

a

ff the mod

u

e module

u

e module

u

the modul

e

io is illustr

a

Pow

ing of Tur

n

POWD to t

u

the AT com

le.You can

and Treset

_

l / Release

le:

sing the P

W

sing comm

a

will execu

t

ted inthe fo

l

TBD

er -down pr oce

d

ing off Mo

d

rn off the

m

mand of

AT

reset the m

max.

d 30 /

6

RKEY pin.

nd

A

T+QP

O

e power-d

o

lowing figu

r

ure

ule

odule, whi

c

+QPOWD.

odule by dr

i

L

EC25-AU

9

WD.

wn proced

u

e.

OFF

h is similar

t

ving the R

E

TE Modul

e

ser Manu

a

re after th

e

o turning o

f

SET_N to

a

l

f

Table 8: R

E

Pin Name

RESET_N

The recom

m

driver or bu

t

The reset s

c

E

SET_N Pi

n

Pin N

o

20

ended cir

c

ton to cont

r

Figur

e

F

i

enario is ill

C25-A_U

s

Descripti

o

. Desc

r

Reset

uit is simila

ol the RES

E

Reset pulse

TBD

14: Refer

e

gure 15: R

e

ustrated int

h

er_Manual

C

n

iption

the modul

e

r to the P

W

T_N.

4.

7

nce Circu

i

S2

ference C

i

e following

onfidenti

a

DC

C

.

V

IH

m

V

IH

m

VILm

a

RKEY cont

r

K

4

t of RESE

T

Close to

S

TVS

rcuit of R

E

figure.

l / Release

haracteris

ax=2.1V

in=1.3V

x=0.5V

ol circuit.

Y

7K

_N by Usi

n

R

E

2

SET_N by

d 31 /

6

tics C

o

ou can use

RESET_N

g Driving

C

SET_N

Using Butt

o

L

EC25-AU

9

mment

an open d

r

ircuit

n

TE Modul

e

ser Manu

a

ain/collecto

l

r

1. Use t

h

PWRK

E

2. Ensur

e

3.9. USI

M

The USIM

c

3.0V USIM

Table 9: Pi

n

Pin Name

USIM_VD

D

USIM_DA

T

USIM_CL

K

USIM_RS

T

USIM_

PRESEN

C

USIM_GN

NOTES

E

VBA

T

Modu Statu

s

RES

E

e RESET_

Y pin faile

d

that there i

s

Card I

ard interfa

c

cards are s

u

Definitio

n

Pin No.

14

A 15

16

17

E

13

D 10

C25-A_U

s

≥

T

le

R

U

T_N

Fi

g

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e

.

no large c

nterface

e circuitry

m

pported.

of the US

I

I/O

PO

IO

DO

DI

er_Manual

C

V

reset_min

R

NNIN

G

≤

ure 16: Ti

m

n turning

apacitance

eets ETSI

M Interfac

e

Descriptio

n

Power sup

p

Data signal

Clock sign

a

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USIM card

i

Specified g

r

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IL

≤ 0.5V

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G

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ing of Re

s

off the mo

d

on the PW

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and IMT-2

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ly for USIM

of USIM ca

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a

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ound for U

S

l / Release

RUNNING

etting Mo

d

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KEY and

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e

card.

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ection.

IM card.

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ule

command

ESET_N pi

n

rface requi

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Comment

Either 1.8

V

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EC25-AU

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AT+QPO

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TE Modul

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ser Manu

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EC25 supp

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The followi

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Mo

d

If you do

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reference c

i

M

o

In order to

e

E

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USIM

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ot need t

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nhance th

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ard hot-plu

bled by

d

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e

VDD

GND

RST

CLK

DATA

PRESENC

E

VDD

51K

Figure 17:

e USIM c

a

g a 6-pin

U

M_ VDD

M_GND

M_ R ST

M_ C LK

M_D ATA

Figure 18:

reliability a

er_Manual

C

g via the U

S

efault. Fo

r

rence desi

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22R

_EXT

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USI

M

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22R

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3

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details, r

e

n of the 8-

p

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ty of the U

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fer to do

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100nF

GN

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keep USI

illustrated i

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100nF

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6

It supports

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ument [2

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USI

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the followin

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M

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M Connector

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I

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comman

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U

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USIM

p

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and se

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3.10. U

S

EC25 cont

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specificatio

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used for A

T

upgrade. T

h

Table 10:

U

Pin Name

USB_DP

USB_DM

USB_VB

U

GND

More detail

s

The USB i

n

figure sho

w

E

w in the U

S

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I

.

SIM card s

i

the ground

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_

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u

r to offer g

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3

eripheral ci

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and supp

o

command,

e following

SB Pin De

s

Pin N

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69

70

S 71

72

about the

terface is r

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C25-A_U

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IM circuit d

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M card as

c

gnal away

f

between t

h

VDD no le

s

between

rrounded g

od ESD p

r

than 50p

F

rd so as t

o

pFcapacito

r

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r on USIM

_

sion areap

p

ce

grated Uni

v

rts high-sp

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m

table show

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cription

. I/O

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PI

USB 2.0 sp

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commend

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nce circuit

o

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C

sign:

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USIM_DAT

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be close to

DATA line

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lied, and s

h

ersal Seri

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eed (480M

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ission, GN

S

the pin de

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Desc

USB

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USB

d

Used

conn

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Grou

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cifications,

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f

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VBAT alig

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nd the USI

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and USI

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is recomm

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mresistors

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the EMI

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for filtering

the USIM

c

an improve

ould be pla

c

l Bus (USB

ps) and ful

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for detectin

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please visi

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erved for fi

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module. A

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ment.

connecto

in the sam

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_CLK, kee

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hould be a

d

purious tr

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interferen

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onnector.

anti-

j

ammi

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ed close t

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l-speed (12

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entences o

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ata bus (p

o

ata bus (m

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rmware up

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ferential

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be as short

In order to

e

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p

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EC25 mod

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NOTE

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USB_DP

USB_DM

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odule

USB_VBUS

eet USB

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nsure the

U

wing princi

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nt to route

er layers b

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ention to th

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acitance v

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ata line sig

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ute the US

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the USB di

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influence

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er_Manual

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R1

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M

R3

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this stub

9: Refere

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nal integrit

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signal trac

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hm.

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fferential tr

a

and left sid

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close as p

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ce Circuit

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e

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apacitance

o

2pF.

ssible to th

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ice.

l / Release

Test Poi

n

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f USB Ap

p

ts R1, R2,

R

se to each

o

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S

ntial pairs

w

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-layer with

f ESD co

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USB con

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d 35 /

6

ts

lication

3 and R4

m

ther. The

e

B 2.0 spe

c

ith total gr

o

devices an

d

ground shi

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ponent on

U

ector.

L

EC25-AU

9

USB_DP

USB_DM

GND

MCU

ust be pl

a

xtra stubs

o

ification, pl

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unding. Th

e

RF signal

lding onn

o

SB data li

n

TE Modul

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ser Manu

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f trace mu

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ase compl

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,

3.11. U

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following s

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 Main

U

baud r

a

comm

u

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output.

The followi

n

Table 11:

P

Pin Name

RI

DCD

CTS

RTS

DTR

TXD

RXD

Table 12:

P

Pin Name

DBG_TX

D

DBG_RX

D

The logic le

E

RT Inte

r

provides

ows the dif

f

ART interf

a

te, and th

e

nication.

UART int

e

g tables sh

o

in Definiti

o

N

62

63

64

65

66

67

68

in Definiti

o

N

12

11

vels are de

s

C25-A_U

s

face

two UART

erent featu

r

ce support

s

default is

rface supp

o

w the pin

d

n of the M

a

o. I/O

D

ODODO

DI

D

O

DI

n of the D

e

o. I/O

D

O

DI

cribed in th

er_Manual

C

interfaces:

es.

9600, 19

2

115200bps.

rts 11520

0

efinition.

in UART I

n

D

e

Ri

n

D

a

Cl

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Tr

a

R

e

bug UAR

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D

e

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main UA

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00, 38400,

This interf

a

bpsbaud r

a

terface

scription

g indicato

r

ta carrier d

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ar to send

quest to se

ep mode c

o

nsmit data

ceive data

Interface

scription

nsmit data

ceive data

able.

l / Release

T interface

57600, 11

5

ce can be

te. It can

tection

nd

ntrol

d 36 /

6

and debu

g

200, 2304

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used for d

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be used fo

r

Commen

1.8V pow

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1.8V pow

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1.8V pow

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1.8V pow

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L

EC25-AU

9

UART in

t

0, 460800

,

ta transmis

s

Linux con

s

t

r domain

t

r domain

TE Modul

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ser Manu

a

erface. Th

e

921600bp

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ion and A

T

ole and lo

g

l

Table 13:L

o

Paramete

r

VIL

VIH

VOL

VOH

The modul

e

equipped w

recommen

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Please visit

Another ex

a

the circuito

f

should refe

r

line of the

m

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gic Level

s

provides

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RI

DCD

RTS

RXD

DTR

CTS

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http://www.

mple with

t

solid line.

P

to input so

odule.

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IMin

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VCCA

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A1

A2

A3

A4

A5

A6

A7

A8

0: Referen

c

re informa

t

nslation cir

c

ttention to

e module.

O

onfidenti

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A level tra

anslator T

X

reference

d

V

Translator

e Circuit

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ion.

uit is show

the directio

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l / Release

Max.

0.6

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0.45

1.8

nslator sh

o

S0108EP

W

esign.

CC

B

GND

B1

B2

B3

B4

B5

B6

B7

B8

0.

1

ith Transl

a

n as below.

of connec

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line of the

d 37 /

6

uld be use

R provided

51K

uF

tor Chip

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module sh

o

L

EC25-AU

9

Unit

V

d if your a

by Texas I

n

RI_MCU

DCD_MCU

RTS_MCU

RXD_MCU

DTR_MCU

CTS_MCU

TXD_MCU

VDD_MCU

dotted lin

e

otted line o

f

uld refer t

o

TE Modul

e

ser Manu

a

pplication i

s

strumen

t

i

s

can refer t

o

the modul

e

output soli

d

l

Transistor

c

3.12. P

C

EC25 provi

d

following m

o

 Primar

y

 Auxilia

r

In primary

m

edge; the P

1024 and2

0

In auxiliary

edge; while

128kHz PC

EC25 supp

theprimary

auxiliary m

o

NOTE

E

MCU/

A

ircuit soluti

o

M and I

2

es one Pu

des:

mode (sh

o

y mode (lo

n

ode, the d

CM_SYNC

48kHz for

d

mode, the

d

the PCM_

S

M_CLK an

d

orts 8-bit

A

mode’s ti

m

de’s timing

C25-A_U

s

RM

/TXD

/RXD

/RTS /CTS

GPIO

EINT

GND

Figure 2

1

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t

C Interf

a

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rt sync, wo

r

g sync, wo

r

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p

falling edge

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p

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M

this mode,

of the PC

M

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NC only.

ear data f

o

SYNC an

d

and 128k

H

d 38 /

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TXD

RXD

RTS

CTS DTR

RI

GND

DCD

M

o

or Circuit

460Kbps.

r audio de

s

_CLK and

t

PCM_CLK

_CLK and

t

ode, PCM i

rmats. The

2048kHz

z PCM_C

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dule

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s

l

,

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n

codec desi

g

Table 14:

P

Pin Name

PCM_IN

E

PC

MPCMPCM

PC

PCM

_

PCM_

PCM

_

PCM

_

g table sh

o

n.

in Definiti

o

N

24

C25-A_U

s

_CLK

_SY NC

_OUT

M

_IN

CLK

SYNC

OUT

IN

ws the pin

n of PCM

a

o. I/O

DI

er_Manual

C

MS B

12

MS B

Figure 22:

MS B

12

Figure 23:

A

definition

o

nd I2C Int

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Descri

PCM d

onfidenti

a

LS

125us

LS

Primary M

o

125us

uxiliary

M

f PCM an

d

rface

ption

ata input

l / Release

B

256255

B

de Timin

g

L

115L

ode Timin

g

I2C interf

a

d 39 /

6

MS B

SB

6

SB

ce which c

Commen

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TE Modul

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PCM_OU

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PCM_SY

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PCM_CL

K

I2C_SCL

I2C_SDA

Clock and

m

short sync

d

command

A

The followi

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e

PCM_

C

2. EC25

w

NOTES

E

25

C 26

27

41

42

ode can b

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ata format

w

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fo

r

g figure sh

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P

PC

MPCI2I2

Modu

l

Figur

e

commende

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LK.

orks as a

m

C25-A_U

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DO

IO

OD

configure

d

ith 2048k

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details.

ws the ref

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CM_IN

M

_OUT

_SYNC

_CLK

C_SCL

C_SDA

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to reserv

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aster devi

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er_Manual

C

PCM d

I2C se

r

I2C se

r

by AT co

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K

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RC (R=2

e pertainin

g

onfidenti

a

ata output

ata frame s

y

ata bit cloc

k

ial clock

ial data

mand, and

and 8kHz

n of PCM i

n

BCLK

LRC K

DAC

ADC

SCL

SDA

t of PCM A

2ohm, C=2

to I2C inte

l / Release

nc signal

the default

PCM_SYN

C

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MI

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Codec

plication

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external c

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P

OUTN

ith Audio

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n is master

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the voltage

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Table 15:

P

Pin Name

ADC0

ADC1

The followi

n

Table 16:

C

Parameter

ADC0 Volt

a

ADC1 Volt

a

ADC Resol

u

3.14. Ne

The networ

two pins w

h

level chang

Table 17:

P

Pin Name

NET_MO

D

E

C Func

t

provides t

w

value on A

D

re details o

f

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in Definiti

o

45

44

g table des

haracteris

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ge Range

tion

twork S

t

k indication

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T

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N

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accuracy o

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D

No.

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c

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atus In

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ing AT co

m

mmands,

p

ADC, the t

r

C

Descripti

o

General p

haracteristi

c

DC

in.

.3

ication

used to d

d NET_ST

A

tatus.

rk Indicat

o

Descri

Indicat

e

onfidenti

a

verters (AD

mand

A

T+

lease refer

ace of AD

C

n

urpose ana

l

urpose ana

l

of the AD

C

Typ.

15

rive a netw

o

TUS. The

f

ption

the modul

l / Release

C). Using A

T

QADC=1

c

a

to

docume

n

should be

og to digital

function.

M

V

rk status i

n

ollowing ta

b

e network

d 41 /

6

comman

d

n read the

t [2]

.

surrounded

converter

ax.

BAT_BB

dicator LE

D

les describ

e

L

EC25-AU

9

AT+QAD

C

voltage val

u

by ground.

Un

i

V

bit

s

. The mod

pin definiti

Comment

1.8V pow

e

TE Modul

e

ser Manu

a

=0

can rea

d

e on ADC

1

t

ule provide

s

on and logi

c

r domain

l

NET_STA

T

Table 18:

W

Pin Name

NET_MO

D

NET_STA

T

A referenc

e

3.15. S

TA

The STATU

to a GPIO

o

normally, th

state.

E

US 6

orking St

a

S

t

E

Al

wAlw

US

Fl

iFliFliAlw

circuit is s

h

TUS

S pin is an

o

f DTE with

e STATUS

w

C25-A_U

s

DO

te of the N

atus

ays High

ays Low

cker slowly

cker quickl

y

ays High

own in the

f

M

Figure 25

:

pen drain

o

pulled up, o

ill present

t

er_Manual

C

registr

a

Indicat

e

status.

etwork Ind

i

(200ms Hi

g

(1800ms H

(125ms Hi

g

ollowing fig

odule

Network Indic ator

Referenc

e

utput for in

d

r as LED in

d

he low stat

e

onfidenti

a

tionmode.

the modul

cator

h/1800ms

L

igh/200ms

L

h/125ms

L

ure.

4.7

K

Circuit of

t

icating the

ication circ

. Otherwis

e

l / Release

e network a

ow)

47K

VB

A

2.2K

he Netwo

r

module’s o

p

uit as belo

w

, the STAT

U

d 42 /

6

ctivity

Descripti

Registere

Others

Network

s

Idle

Data tran

s

Voice call

T

k Indicator

eration sta

. When the

S will pre

s

L

EC25-AU

9

1.8V pow

e

on

d in LTE ne

t

earching

fer is ongo

i

ing

tus. You ca

n

module is t

u

ent high-im

p

TE Modul

e

ser Manu

a

r domain

work

ng

connect it

rned on

edance

l

Table 19:

P

Pin Name

STATUS

The followi

n

your applic

a

3.16. Be

You can us

e

No matter

w

URC can b

e

The default

In addition,

NOTE

E

in Definiti

o

Pin No.

61

g figure s

h

tion dema

n

havior

o

command

hich port U

output fr

o

port is US

B

RI behavio

r

C25-A_U

s

n of STAT

U

I/O

OD

ows differe

ds.

Module

STATUS

Figu

r

the RI

AT+QCFG

=

RC is pres

e

m UART p

o

AT port.

can be co

n

er_Manual

C

S

Descriptio

n

Indicate th

e

nt design c

i

VDD_MCU

10K

M

e 26: Refe

r

“risignalt

y

nted on, U

R

rt, USB AT

figured flex

i

onfidenti

a

module op

e

rcuitof ST

A

CU_GPIO

ence Circu

pe”,“phys

i

C will trigg

e

port and U

bly. The de

f

l / Release

ration stat

u

TUS, you

c

Modul

e

STAT

it of the S

T

cal”

to con

f

the beha

v

SB modem

ault behavi

o

d 43 /

6

Com

s Req

u

an choose

US

V

B

2.2K

ATUS

igure RI be

ior on RI pi

port by co

m

r of the RI

L

EC25-AU

9

ment

ire external

either one

a

A

T

havior.

n.

mand

AT

+

is shown a

s

TE Modul

e

ser Manu

a

pull-up

ccording t

o

QURCCF

G

below.

l

.

Table 20:

B

State

Idle

URC

The RI be

h

details.

E

ehavior of

R

avior can

C25-A_U

s

the RI

esponse

I keeps hi

g

I outputs 1

be change

d

er_Manual

C

h level

20ms low p

by comm

onfidenti

a

ulse when

n

and

A

T+Q

C

l / Release

ew URC re

t

FG=“urc/

r

d 44 /

6

urns

i/ring”

.Ref

e

L

EC25-AU

9

r to

docu

m

TE Modul

e

ser Manu

a

ent [2]

fo

l

r

4

G

4.1. Ge

n

EC25 inclu

d

Qualcomm

EC25 supp

o

by default.

By default,

details abo

u

4.2. GN

S

The followi

n

Table 21:

G

Paramete

r

Sensitivity

(GNSS)

TTFF

(GNSS)

E

NS

S

eral De

s

es a fully

i

(GPS, GLO

rts standa

r

EC25 GN

S

t GNSS en

g

S Perfo

g table sho

NSS Perf

o

D

e

C

o

R

eTrCo@W

@

C25-A_U

s

Rec

cription

ntegrated

g

NASS, Bei

D

d NMEA-01

S engine i

s

ine techno

rmance

ws EC25 G

rmance

scription

ld start

acquisition

acking

ld start

open sky

arm start

open sky

er_Manual

C

eive

r

lobal navig

a

ou, Galileo

83 protocol

switched

o

logy and co

NSS perfor

m

onfidenti

a

tion satelli

t

and QZSS

)

, and outpu

t

ff. It has t

o

nfiguration

s

ance.

Condition

s

Autonomo

u

Autonomo

u

Autonomo

u

Autonomo

u

XTRA ena

b

Autonomo

u

XTRA ena

b

l / Release

e system

s

.

s NMEA se

be switch

e

, please ref

e

s

led

s

led

d 45 /

6

olution tha

t

ntences wit

h

d on with

A

r to

docu

m

Typ.

TBD

L

EC25-AU

9

supports

G

1Hz via U

T comma

n

ent [3]

.

TE Modul

e

ser Manu

a

en8C-Lite

o

SB interfac

e

d. For mor

e

Unit

dBm

s

l

f

Accuracy

(GNSS)

1. Tracki

n

on pos

i

2. Reacq

u

fix posi

3. Cold s

t

positio

n

4.3. Lay

o

The followi

n



Maxim

i



Digital

should



Use g

r

isolatio



Keep

5

Refer to

C

h

NOTES

E

H

o

@CE

g sensitivit

y

tioning for

3

isition sen

s

tion again

w

art sensitiv

i

within 3 m

ut Gui

d

g layout gu

ze the dist

a

circuits suc

h

be kept aw

a

ound vias

a

n and prote

c

0ohm char

a

apter 5

for

C25-A_U

s

t start

open sky

P-50

: the lowes

t

minutes.

itivity: the l

o

ithin 3 min

u

ty: the low

e

inutes after

eline

ideline sho

u

nce betwe

e

as USIM

c

y from the

round the

tion.

cteristic im

p

GNSS refe

r

er_Manual

C

GPS sign

a

west GPS

tes after lo

s

st GPS si

g

executing

c

ld be taken

n the GNS

S

ard, USB i

antenna.

GNSS trac

e

edance fo

r

ence desig

n

onfidenti

a

Autonomo

u

XTRA ena

b

Autonomo

u

@open sk

y

l value at t

h

signal valu

e

s of lock.

nal value

a

old start co

m

into accou

n

antenna, t

h

nterface, C

a

and sen

s

the ANT_G

N

and anten

n

l / Release

s

led

s

e antenna

at the ant

e

t the anten

mand.

t in your d

e

e main ant

mera mod

u

itive analo

g

SS trace.

a consider

a

d 46 /

6

TBD

port for whi

c

nna port f

o

na port for

sign.

enna and t

h

le, Display

signal tra

c

tion.

L

EC25-AU

9

h the mod

u

r which the

which the

m

e Rx-diver

s

connector

a

es to prov

i

TE Modul

e

ser Manu

a

s

m

le can kee

p

module ca

n

odule fixe

s

ity antenna

.

nd SD car

d

de coplana

l

r

5

A

EC25 ante

n

signals ca

u

interface h

a

5.1. Mai

n

5.1.1. Pi

The main a

n

Table 22:

P

Pin Name

ANT_MAI

N

ANT_DIV

5.1.2. O

p

Table 23:

T

3GPP Ban

d

B2 (1900)

B4

B5 (850)

B12

E

nte

n

na interfac

e

sed by hig

s an imped

a

/Rx-div

n Definiti

o

tenna and

in Definiti

o

Pi

4

935

erating

F

he Module

C25-A_U

s

na I

n

includes a

h speed m

nce of 50o

ersityA

n

Rx-diversit

y

n of the R

F

n No.

requenc

y

Operating

Tra

n

185

0

171

0

824

~

699

~

er_Manual

C

terf

a

main ante

n

ovement a

n

hm.

tenna I

n

antenna pi

n

Antenna

I/O

IO

AI

Frequenci

e

smit

~ 1910

~ 1755

849

716

onfidenti

a

ce

na,anRx-di

v

d multipat

h

terface

s definition

Descripti

o

Main ante

n

Receive di

s

l / Release

ersity ante

n

effect, an

are shown

n

na

versityante

n

Receive

1930 ~ 1

2110 ~

2

869 ~ 8

9

729 ~ 7

4

d 47 /

6

na which i

s

d a GNSS

below.

na

990

155

4

6

L

EC25-AU

9

used tore

s

antenna.

T

Comment

50ohmimp

50ohm im

pUMMM

M

TE Modul

e

ser Manu

a

ist the fall

o

he antenn

a

edance

nit

Hz

l

f

5.1.3. R

e

The refere

n

matching ci

1. Keep

a

receivi

n

2. ANT_

D

receiv

e

5.2. GN

S

The followi

n

NOTES

E

ference

D

ce design

o

rcuit for bet

t

proper di

s

g sensitivit

y

IV function

diversity.

S Ante

n

g tables sh

o

C25-A_U

s

esign

f ANT_MAI

N

er RF perf

o

A

N

Mod

u

A

Figure

2

tance bet

w

.

is enabled

b

na Inte

r

w the GN

S

er_Manual

C

and ANT

_

rmance. Th

T_MAIN

le

NT_DIV

7: Referen

c

een the

m

y default.

U

face

S antenna

onfidenti

a

DIVantenn

a

e capacitor

s

R1

C1

NM

R2

C3

NM

e Circuit

o

ain antenn

se the AT

c

pin definitio

n

l / Release

is shown

a

are not m

o

0R

C2

NM

0R

C4

NM

f Antenna

a and the

R

ommand

AT

and frequ

e

d 48 /

6

s below. It

unted by d

e

Main antenna

Diversity antenna

Interface

x-diversity

a

+QCFG="

d

ncy specifi

c

L

EC25-AU

9

should rese

fault.

ntenna to

iversity",

0

ation.

TE Modul

e

ser Manu

a

rve a π-typ

e

improve th

e

can disabl

e

l

Table 24:

P

Pin Name

ANT_GN

S

Table 25:

G

Type

GPS/Galil

e

GLONAS

S

BeiDou

The refere

n

1. You ca

n

2. If you

d

NOTES

E

in Definiti

o

Pi

S 4

7

NSS Freq

u

o/QZSS

ce design

o

choose a

n

esign the

m

C25-A_U

s

n of GNS

S

n No. I/

O

A

ency

F

1

51515

f GNSS an

t

GNSS Antenna

Figure

external L

D

odulewith

p

er_Manual

C

Antenna

D

e

I G

N

requency

75.42±1.0

2

97.5~160

5

61.098 ±

2

enna is sho

VDD

47 nH

10 R

NM

28: Refere

O to suppl

y

assive ant

e

onfidenti

a

scription

SS antenn

3

.8

.046

wn as belo

w

0 .1uF

100 pF

nce Circuit

power ac

c

nna, the V

D

l / Release

a

.

A

N

NM

of GNSS

A

ording to th

D circuit is

d 49 /

6Com

50

o

Unit

MHz

Module

T_GNSS

ntenna

e active an

t

not needed

L

EC25-AU

9

ment

hmimpeda

n

enna.

.

TE Modul

e

ser Manu

a

ce

l

5.3. Ant

e

5.3.1. A

n

The followi

n

Table 26:

A

Type

GNSS

GSM/WC

D

GSM/WC

D

5.3.2. In

s

The follow

i

recommen

d

E

nna In

s

tenna R

e

g table sho

ntenna lis

t

MA/LTE

tall the

A

ng figure

ed RF con

n

C25-A_U

s

tallatio

n

quireme

n

ws the requ

ntenna w

is the ant

ector is UF

.

er_Manual

C

t

irements o

n

Require

m

Frequenc

y

Polarizati

o

VSWR: <

Passive a

n

Active ant

VSWR: ≤

Gain (dBi

)

Max Input

Input Imp

e

Polarizati

o

Cable Ins

e

(WCDMA

Cable Ins

e

(WCDMA

VSWR: ≤

Gain (dBi

)

Max Input

Input Imp

e

Polarizati

o

Cable Ins

e

ith RF Co

enna insta

L-R-SMT.

onfidenti

a

main ante

n

ents

range: 15

6

n: RHCP o

r

2 (Typ.)

tenna gain

enna noise

enna gain:

>

enna embe

d

enna total

g

2

: 1

Power (W)

:

dance (oh

m

n Type: Ve

r

rtion Loss:

B5,LTE B1

2

rtion Loss:

B2/B4,LTE

3



: ≤ 4.5

Power (W)

:

dance (oh

m

n Type: Ve

r

rtion Loss:

nnector

llation with

l / Release

na, Rx-div

e

1 - 1615M

H

linear

: > 0dBi

figure: < 1.

5

-2dBi

ded LNA g

a

ain: > 18dB

50

): 50

tical

< 1dB

)

< 1.5dB

B2/B4)

10

): 50

tical

No require

m

RF conn

e

d 50 /

6

rsity anten

n

z

dB

in: 20dB (

T

i (Typ.)

ent

ctor provi

d

L

EC25-AU

9

a and GN

S

yp.)

ed by HI

R

TE Modul

e

ser Manu

a

S antenna.

OSE. Th

e

l

You can us

e

E

Figu

U.FL-LP s

C25-A_U

s

re 29: Dim

e

erial conne

c

Figure

er_Manual

C

nsions of

t

tor listed in

30:Mecha

n

onfidenti

a

he UF.L-R

-

the followi

n

icals of U

F

l / Release

SMT Conn

e

g figure to

m

.L-LP Con

n

d 51 /

6

ctor (Unit

:

atch the U

ectors

L

EC25-AU

9

mm)

F. L- R-SM T.

TE Modul

e

ser Manu

a

l

The followi

n

For more d

e

E

g figure de

s

tails, pleas

C25-A_U

s

cribes the

s

Figure 31:

S

e visit http:/

/

er_Manual

C

pace facto

r

pace Fact

o

www.hiros

e

onfidenti

a

of mated c

r of Mate

d

.com.

l / Release

onnector.

Connecto

r

d 52 /

6

(Unit: mm

L

EC25-AU

9

)

TE Modul

e

ser Manu

a

l

6

E

R

6.1. Ab

s

Absolute m

listed in the

Table 27:

A

Parameter

VBAT_RF/

V

USB_VBU

S

Peak Curre

Voltage at

D

Voltage at

A

Voltage at

A

6.2. Po

w

Table 28:

T

Parameter

VBAT

E

lect

r

adi

o

olute M

a

aximum rat

following t

a

bsolute M

a

BAT_BB

nt of VBAT

_

nt of VBAT

_

igital Pins

DC0

DC1

er Sup

p

he Module

Descri

p

VBAT_

B

C25-A_U

s

ical, Cha

r

ximum

ings for po

w

ble.

ximum Ra

BB

RF

ly Ratin

g

Power Su

p

tion

B and

er_Manual

C

Reli

a

acte

r

Ratings

er supply

a

tings

Min

-0.3

0

-0.3

0

s

ply Rating

Conditi

o

Voltage

m

onfidenti

a

bilit

y

isti

c

nd voltag

e

.

s

ns

ust stay

w

l / Release

an

d

s

on digital

a

M

45012VV

M

ithin the

3

d 53 /

6

nd analog

ax.

.7

.5

.8

.3

BAT_BB

in. Ty

p

.3 3.8

L

EC25-AU

9

pins of the

U

n

V

A

V

. Max.

4.3

TE Modul

e

ser Manu

a

module ar

e

it

Unit

V

l

Parameter

I

VBAT

USB_VBU

S

6.3. Op

e

The operati

Table 29:

O

Parameter

Normal Te

m

Restricted

O

Storage Te

m

6.4. Cur

r

This inform

a

6.5. RF

O

The followi

n

E

Descri

p

VBAT_

R

Voltage

transmit

Peak su

(during

transmi

s

USB de

t

rating T

e

ng tempera

t

perating T

perature

peration

perature

ent Co

n

tion will be

utput

P

g table sho

C25-A_U

s

tion

F

drop during

ting burst

pply curren

t

sionslot)

ection

mperat

ure is liste

d

emperatur

e

Mi

n

-3

5-40-45

sumpti

o

added in fu

ower

ws the RF

o

er_Manual

C

Conditi

o

min/ma

x

voltage

d

spikes.

Maximu

m

level on

Maximu

m

level on

ure

in the follo

w

.

~ -35

n

ture versio

n

utput powe

onfidenti

a

ns

values, inc

l

rop, ripple

a

power co

n

GSM900.

power co

n

GSM900.

ing table.

Typ.

25

of this doc

u

r of EC25

m

l / Release

M

uding

nd

trol

3

ment.

odule.

d 54 /

6

in. Ty

p

1.8

.0 5.0

Max.

75

75 ~ 85

90

L

EC25-AU

9

. Max.

400

2.0

5.25

Unit

ºC

TE Modul

e

ser Manu

a

Unit

mV

A

V

l

Table 30:

C

Frequency

WCDMA B

2

LTE FDD B

6.6. RF

R

This inform

a

6.7. Ele

c

The modul

e

to ESD han

packaging

application

t

The followi

n

Table 31:

E

Tested Poi

VBAT, GN

D

All Antenna

Other Interf

E

onducted

R

/B4/B5

2/B4/B12

eceivi

n

tion will be

trostati

c

is not prot

e

dling preca

u

procedures

hat incorp

o

g table sho

lectrostati

c

nts

Interfaces

aces

C25-A_U

s

F Output

g Sensi

t

added in fu

Disch

a

cted again

s

tions that t

y

must be

a

rates the m

o

ws the mod

s Dischar

g

Co

±5

±4

±0.

er_Manual

C

Power

Max.

24dBm+1/

-

23dBm±2

d

ivity

ture versio

n

rge

t electrost

a

pically app

pplied thr

o

dule.

ule electros

e Charact

e

ntact Disc

h

5

onfidenti

a

3dB

B

of this doc

u

tics dischar

g

ly to ESD s

e

ughout th

e

tatics disch

a

ristics

arge

l / Release

ment.

e (ESD) in

nsitive co

m

processin

g

rge charac

A

ir Disc

h

±10

±8

±1

d 55 /

6

Min.

<-50dBm

<-44dBm

general. C

o

ponents. P

r

, handling

teristics.

arge

L

EC25-AU

9

nsequentl

y

oper ESD

h

and oper

a

Unit

kV

TE Modul

e

ser Manu

a

, it is subje

c

andling an

d

tion of an

y

l

t

7

M

This chapt

e

7.1. Me

c

(29+/-0.15)

E

ech

a

r describes

hanical

C25-A_U

s

nic

a

the mecha

n

Dimens

i

(

Figur

e

er_Manual

C

l Di

m

ical dimen

s

ons of t

h

32+/-0.1

5

32: Modu

onfidenti

a

ens

i

ions of the

m

e Mod

u

)

le Top and

l / Release

ons

odule.All

d

le

Side Dime

n

d 56 /

6

imensions

a

2.4+

sions

L

EC25-AU

9

re measur

e

/-0.2

TE Modul

e

ser Manu

a

d in mm.

0.8

l

E

C25-A_U

s

Figure 33:

er_Manual

C

Module B

o

onfidenti

a

32.0

ttom Dim

e

l / Release

nsions (B

o

d 57 /

6

ttom View)

L

EC25-AU

9

29.0

TE Modul

e

ser Manu

a

l

7.2. Fo

o

1. Pads 7

2. In ord

e

thehos

t

NOTES

E

tprint of

3~84 shoul

d

r to mainta

PCB.

C25-A_U

s

Recom

m

Figure

not be de

s

in the mod

u

er_Manual

C

endati

o

34: Recom

igned.

le, keep a

b

onfidenti

a

n

Keepout a

r

32.

0

mended F

o

out 3mm

b

l / Release

ea

otprint (T

o

etween th

e

d 58 /

6

p View)

module a

n

L

EC25-AU

9

d other co

m

TE Modul

e

ser Manu

a

29.0

ponents i

n

l

7.3. Top

7.4. Bot

t

E

View of

om Vie

w

C25-A_U

s

the Mo

d

F

of the

M

Fi

g

er_Manual

C

ule

igure 35:

T

odule

ure 36: B

o

onfidenti

a

op View o

f

ttom View

l / Release

the Modul

of the Mod

d 59 /

6

e

ule

L

EC25-AU

9

TE Modul

e

ser Manu

a

l

8

S

8.1. Sto

r

EC25 is sto

1. Shelf lif

e

2. After th

i

proces

s



M

o



St

o

3. Device

s



H

u



M

o

4. If bakin

g

As plastic c

container f

o

IPC/JEDE

C

8.2. Ma

n

The squee

g

openings a

n

clean stenc

the hole of

t

It is sugge

s

max reflow

NOTE

E

tora

g

age

red in avac

u

in sealed

b

s bag is op

es must be

:

unted withi

red at <10

%

require ba

k

midity indic

unted for

m

is require

d

ontainer ca

n

high tem

J-STD-033

ufacturi

ee should

d penetrat

e

il surface o

n

he module

ted that th

e

temperatu

r

C25-A_U

s

e a

n

um-sealed

ag is 12 m

o

ened, devic

n 72 hours

a

RH.

e before m

ator card is

ore than 7

2

, devices

m

not be sub

j

perature (1

for bakingp

ng and

W

push the p

a

to the PC

a single p

a

pads shoul

d

peak reflo

w

e is 260ºC

er_Manual

C

d M

a

bag. The r

e

nths at <

4

es that will

t factory c

o

ounting, if:

>10% whe

n

hours at f

a

ay be bake

d

ected to hi

g

25ºC) baki

rocedure.

elding

ste on the

B. The forc

e

ss. To ens

u

be 0.18m

m

temperat

u

. To avoid

d

onfidenti

a

nuf

a

strictions o

f

0ºC/90%R

H

be subjecte

nditions of

≤

ambient t

e

ctory condi

t

for 48 ho

u

h temperat

u

ng. If sho

r

surface of

on the sq

u

re the mo

d

. For detail

re is 235 ~

amage to

l / Release

cturi

storage co

n

.

d to reflow

s

30ºC/60%

mperature i

ions of ≤ 3

0

rs at 125ºC

re, the mo

d

ter baking

stencil,so

a

eegee sho

ule solderi

n

s, please re

245ºC (for

the modul

e

d 60 /

6

ng

dition ares

oldering o

r

RH.

s23ºC±5ºC.

ºC/60% RH

±5ºC.

ule needs

t

time is d

e

s to make

uld be adju

s

g quality, t

h

fer to

docu

m

SnAg3.0Cu

when it is

L

EC25-AU

9

hown as be

other high

.

o be taken

sired, ple

a

the paste fi

ted so as

t

e thicknes

s

ent [4]

.

0.5 alloy).

T

repeatedly

TE Modul

e

ser Manu

a

low.

temperatur

e

out from th

e

se refer t

o

ll the stenc

i

o produce

a

of stencil

a

he absolut

e

heated, it i

s

l

t

suggested

t

picture is th

1

2

0

2

Temperature

8.3. Pac

EC25 is pa

c

figure belo

w

E

hat the m

o

e actual dia

50

0

5

0

50

17

0

ºC

kaging

kaged in t

a

shows the

C25-A_U

s

dule shoul

d

gram which

50

Betwe

e

p andreel

c

package d

e

er_Manual

C

be mount

e

we have o

p

100

1

160

ºC

n 1~3 ºC/s

Preheat

Liquid

s

Figure 37:

arriers. On

e

tails, meas

onfidenti

a

d after th

e

erated.

Ti

m

5

0

2

20

0

70s~120s

Temperat

u

Liquids T

e

reel is 11.

5

ured in mm

.

l / Release

first panel

e

00 2

ºC

4

H

re

mperature

3m length

d 61 /

6

has been

50 3

0

s~60s

eatin

g

and contai

n

L

EC25-AU

9

reflowed.

T

0

Cooling

s 250pcs

m

TE Modul

e

ser Manu

a

he followin

g

s

odules. Th

e

l

1.75

±0.1

20.20

±0.15

44.00

±0.3

E

C25-A_U

s

32.5

±0.15

33.5

±0.15

2.

0

100

44.5

+0.20

-0.00

48.5

er_Manual

C

0

±0.1

44.00

±

0

13

Figur

e

onfidenti

a

32.5

33.5

4.00

±0.1

.1

38: Carri

e

l / Release

±0.15 ±0.15

1

.

5

0

±

r Tape

d 62 /

6

29 3

±015

0

.

1

D

C

L

EC25-AU

9

29

.

3

±0

.

15

30.3

±0.15

0.3

5

irection

o

f

over ta

p

e

TE Modul

e

ser Manu

a

30.3

±0.15

±0.05

4.2

±0.15

3.1

±0.15

f

feed

l

9

A

Table 32:

R

SN

D

[1]

Q

N

[2]

Q

[3]

Q

[4]

Q

Table 33:

T

Abbrevia

t

AMR

bps

CHAP

CS

CSD

CTS

DC-HSPA

+

DFOTA

DL

DTR

DTX

E

ppe

n

elated Do

c

ocument

N

uectel_EC

2

ote

uectel_EC

2

uectel_EC

2

uectel_Mo

d

erms and

A

ion

C25-A_U

s

dix

A

uments

ame

5_Power_

M

5_AT_C o

m

5_GNSS_

A

ule_Secon

d

bbreviati

o

Desc

r

Adapt

Bits P

e

Chall

e

Codin

g

Circui

t

Clear

Dual-

c

Delta

Down

l

Data

T

Disco

n

er_Manual

C

Re

f

anageme

n

mands_Ma

T_Comma

n

ary_SMT_

ns

iption

ive Multi-rat

r Second

nge Hands

h

Scheme

Switched

D

To Send

arrier High

Firmware U

ink

erminal Re

a

tinuous Tr

a

onfidenti

a

ere

n

t_Applicati

o

nual

ds_Manua

l

User_Guid

e

ake Authe

n

ata

Speed Pac

k

pgrade Ov

e

dy

nsmission

l / Release

ce

Rem

a

n_ EC25

Note

EC25

Modu

tication Pr

o

et Access

r The Air

d 63 /

6

rk

Power Ma

n

AT C omm

a

GNSS AT

C

le Seconda

r

tocol

L

EC25-AU

9

agement A

p

nds Manua

l

ommands

y SMT Use

TE Modul

e

ser Manu

a

plication

Manual

r Guide

l

EFR

ESD

FDD

FR

GLONAS

S

GMSK

GNSS

GPS

GSM

HR

HSPA

HSDPA

HSUPA

I/O

Inorm

LED

LNA

LTE

MIMO

MO

MS

MT

PAP

PCB

PDU

E

C25-A_U

s

Enha

n

Electr

o

Frequ

e

Full R

a

GLOb

Navig

a

Gaus

s

Globa

Half

R

High

S

High

S

High

S

Input/

O

Norm

a

Light

E

Low

N

Long

T

Multip

Mobil

e

Mobil

e

Mobil

e

Pass

w

Printe

d

Proto

c

er_Manual

C

ced Full R

a

static Disc

h

ncy Divisi

o

te

alnayaNAvi

g

tion Satelli

t

ian Minimu

l Navigatio

n

l Positionin

g

l System fo

r

ate

peed Pack

e

peed Dow

n

peed Uplin

utput

l Current

mitting Di

o

oise Amplif

i

erm Evolut

le Input Mul

Originated

Station (G

S

Terminate

d

ord Authen

Circuit Bo

ol Data Uni

onfidenti

a

te

arge

n Duplex

atsionnay

a

e System

m Shift Key

i

Satellite S

y

System

Mobile Co

m

t Access

link Packet

k Packet A

c

de

er

ion

tiple Outpu

t

M engine)

tication Pro

t

ard

t

l / Release

Sputnikova

ng

stem

municatio

n

Access

cess

ocol

d 64 /

6

ya Sistema

,

s

L

EC25-AU

9

the Russia

TE Modul

e

ser Manu

a

n Global

l

PPP

QAM

QPSK

RF

RHCP

Rx

SIM

SMS

TDD

TDMA

TD-SCDM

TX

UL

UMTS

URC

USIM

Vmax

Vnorm

Vmin

VIHmax

VIHmin

VILmax

VILmin

VImax

VImin

E

A

C25-A_U

s

Point-

t

Quad

r

Quad

r

Radio

Right

Recei

v

Subs

c

Short

Time

D

Time

D

Time

D

Trans

m

Uplin

k

Unive

r

Unsol

i

Unive

r

Maxi

m

Norm

a

Minim

Maxi

m

Minim

Maxi

m

Minim

Absol

u

Absol

u

er_Manual

C

o-Point Pr

o

ature Ampli

ature Phas

e

Frequency

Hand Circul

e

riber Identi

f

Message S

e

ivision Du

p

ivision Mul

ivision-Sy

n

itting Dire

c

sal Mobile

T

cited Resul

t

sal Subscri

um Voltag

e

l Voltage V

a

um Voltage

um Input H

um Input Hi

um Input L

o

um Input L

o

te Maximu

m

te Minimu

m

onfidenti

a

tocol

tude Modul

a

Shift Keyi

n

arly Polariz

e

ication Mod

rvice

lexing

tiple Acces

s

chronous

C

tion

elecommu

n

Code

ber Identity

Value

lue

Value

igh Level V

o

gh Level V

o

w Level V

o

w Level Vo

l

Input Vol

t

Input Volt

a

l / Release

tion

g

d

ule

ode Divisio

ications S

y

Module

ltage Valu

e

ltage Value

tage Value

age Value

ge Value

d 65 /

6

n Multiple

A

stem

L

EC25-AU

9

ccess

TE Modul

e

ser Manu

a

l

VOHmax

VOHmin

VOLmax

VOLmin

VSWR

WCDMA

E

C25-A_U

s

Maxi

m

Minim

Maxi

m

Minim

Volta

g

Wide

b

er_Manual

C

um Output

H

um Output

L

e Standing

and Code

D

onfidenti

a

High Level

V

igh Level

V

Low Level

V

ow Level

V

Wave Rati

o

ivision Mul

t

l / Release

oltage Val

u

oltage Val

u

oltage Val

u

oltage Valu

e

iple Acces

s

d 66 /

6

e

L

EC25-AU

9

TE Modul

e

ser Manu

a

l

1

0

Table 34:

D

Scheme

Code Rate

USF

Pre-coded

Radio Blo

c

BCS

Tail

Coded Bit

s

Punctured

Data Rate

K

E

Ap

p

escription

USF

k excl.US

F

Bits

b/s

C25-A_U

s

endi

x

of Differen

and BCS

er_Manual

C

B

G

t Coding S

c

C

S1/2

3

18

1

40

4

45

6

0

9.

0

onfidenti

a

PR

S

hemes

-1

5

l / Release

Co

d

CS-2

2/3

3

6

268

16

4

588

132

13.4

d 67 /

6

ing

S

CS-3

3/4

3

6

312

16

4

676

220

15.6

L

EC25-AU

9

che

m

C

1

3

1

4

1

-

4

-

2

TE Modul

e

ser Manu

a

e

S-4

2

28

6

56

1.4

l

11

Twenty-nin

e

classes are

downlink di

r

while the s

e

number of

s

The descri

p

Table 35:

G

Multislot C

1

2

3

4

5

6

7

8

9

10

11

12

E

Ap

p

classes

o

product de

p

ections. W

r

cond num

b

lots the GP

tion of diffe

r

PRS Multi

-

lass

C25-A_U

s

endi

x

f GPRS m

u

endant, an

itten as 3+

1

er indicate

s

RS device

c

ent multi-sl

o

slot Class

e

Downlin

k

1

2

3

2

3

4

3

4

er_Manual

C

G

lti-slot mo

d

d determin

e

or 2+2, th

the amou

an use sim

t classes i

s

Slots

onfidenti

a

PR

S

es are de

f

the maxim

u

e first num

b

nt of uplink

ultaneously

shown in t

Uplin

k

1

2

1

2

3

1

2

3

4

l / Release

Mul

t

ined for M

S

m achieva

b

er indicate

s

timeslots.

T

for both upl

he followin

g

Slots

d 68 /

6

i-slo

in GPRS

le data rat

e

the amou

n

he active

s

ink and do

w

table.

A

c

2

3

4

5

L

EC25-AU

9

t Cla

s

specificati

o

s in both t

h

t of downli

n

lots deter

m

nlink com

m

tive Slots

TE Modul

e

ser Manu

a

s

n. Multi-sl

o

e uplink an

d

k timeslot

s

ine the tot

a

unications.

l

t

,

l

EC25_Har

d

12

Table 36:

E

Coding Sc

h

CS-1:

CS-2:

CS-3:

CS-4:

MCS-1

MCS-2

MCS-3

MCS-4

MCS-5

MCS-6

MCS-7

MCS-8

MCS-9

ware_Des

i

Ap

p

Co

d

DGE Mod

u

eme Mo

d

GM

8-P

S

8-P

S

8-P

S

8-P

S

8-P

S

gnConfide

n

endi

x

ing

S

lation and

ulation

SK

K

tial / Rele

a

D

E

che

m

Coding Sc

h

Coding

/

C

B

A

C

B

A

B

A

sed 69 /71

DG

E

e

eme

Family

1

9282245

5

Mo

d

Timeslot

.05kbps

13.4kbps

15.6kbps

1.4kbps

.80kbps

11.2kbps

14.8kbps

17.6kbps

2.4kbps

9.6kbps

4.8kbps

4.4kbps

9.2kbps

E

ulati

2 Ti

m

18.1

k

26.8

k

31.2

k

42.8

k

17.6

0

22.4

k

29.6

k

35.2

k

44.8

k

59.2

k

89.6

k

108.

8

118.

4

LTE M

o

C25Hard

w

ona

n

eslot

bps

kbps

bps

kbps

dule Sire

s

are Desig

n

d

4 Timeslot

36.2kbps

53.6kbps

62.4kbps

85.6kbps

35.20kbps

44.8kbps

59.2kbps

70.4kbps

89.6kbps

118.4kbps

179.2kbps

217.6kbps

236.8kbps

Quectel EC25 series, EC25-A User Manual

Specifications and Main Features

Frequently Asked Questions

User Manual