Ebyte E32-170T30D User Manual

E32-170T30D User Manual

SX1278 170MHz 1W DIP Wireless Module

Chengdu Ebyte Electronic Technology Co,;Ltd E32-170T30D user manual

CONTENT

1. OVERVIEW ..................................................................................................................................3

1.1 INTRODUCTION................................................................................................................................................................................3

1.2 FEAT URES.........................................................................................................................................................................................3

2. SPECIFICATION AND PARAMETER .....................................................................................4

2.1 LIMIT PARAMETER ..........................................................................................................................................................................4

2.2 OPERATING PARAMETER ................................................................................................................................................................4

3 SIZE AND PIN DEFINITION .........................................................................................................5

4 CONNECT TO MCU .......................................................................................................................6

5 FUNCTION DESCRIPTION ..........................................................................................................7

5.1 FIXED TRANSMISSION.....................................................................................................................................................................7

5.2 BROADCAST ING T RANSMISSION ...................................................................................................................................................7

5.6.1 Indication of UART output

...................................................................................................................................................8

5.6.2 Indication of wireless transmitting

.....................................................................................................................................9

5.6.3 Configuration procedure of module

....................................................................................................................................9

5.6.4 Notes for AUX

...................................................................................................................................................................... 10

6 OPERATING MODE .................................................................................................................... 10

6.1 MODE SWITCH ....................................................................................................................................................................... 10

6.2 NORMAL MODE (MODE 0) .................................................................................................................................................... 11

6.3 WAKE-UP MODE (MODE 1).......................................................................................................................................................... 12

6.4 POWER-SAVING MODE (MODE 2)................................................................................................................................................ 12

6.5 SLEEP MODE (MODE 3) ................................................................................................................................................................ 12

7 COMMAND FORMAT ................................................................................................................. 13

7.1 DEFAULT PARAMETERS................................................................................................................................................................ 13

7.2 READING OP ERATING PARAMETERS........................................................................................................................................... 13

7.3 READING VERSION NUMBER ....................................................................................................................................................... 13

7.4 RESET COMMAND......................................................................................................................................................................... 14

7.5 PARAMETER SETTING COMMAND .............................................................................................................................................. 14

8. HARDWARE DESIGN ................................................................................................................ 16

9 FAQ ................................................................................................................................................. 17

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9.1 COMMUNICATION RANGE IS TOO SHORT ................................................................................................................................... 17

9.2 MODULE IS EASY TO DAMAGE.................................................................................................................................................... 17

9.3 BER(BIT ERROR RAT E) IS HIGH................................................................................................................................................. 18

10 PRODUCTION GUIDANCE ..................................................................................................... 18

11 E32 SERIES.................................................................................................................................. 18

12 ANTENNA RECOMMENDATION ........................................................................................... 19

13 PACKAGE FOR BATCH ORDER ............................................................................................ 19

REVISION HISTORY...................................................................................................................... 20

ABOUT US ........................................................................................................................................ 20

Chengdu Ebyte Electronic Technology Co,;Ltd E32-170T30D user manual

1. Overview

1.1 Introduction

E32-170T30D is a wireless s erial port module

(UART) based on SEMTECH's SX1278 RF chip. LoRa

spread spectrum technology, TTL level output,

compatible with 3.3V and 5V （ reco mmendation

4.75-5.5 V ） ,It has a great penetration ability. The

correcting ability on the s oftware can be large ly

increased at agains t disturbing.

SX1278 features LoRa™, also it can bring longer communication distance, and has the advantages of concentrated

power density, meanwhile it has a very strong confidentiality. The modules of 30dBm trans mitting power are e mbedded

with power amplifier (PA) and low noise amplifier (LNA), which enhances the stability and longer communication range;

the modules of 30dBm trans mitting power adopt industrial grade crystal oscillators to ensure the stability and consistency,

its precision is lower than the widely adopted 10ppm. It is in stable bulk production and are widely applied in utility

meters, IoT renovation, smart ho me, etc. The modules feature data encry ption and compress ion. The data trans mitted in

air features randomness. The encryption-decryption algorithm makes data interception meaningless. And the data

compression enables shorter transmitting time and lower rate of being interfered, which increas ed the reliab ility and

trans mitting efficiency.

E32-170T30D s trictly follows design s tandards of FCC, CE, CCC and meets various RF certificat ion requirements

for exporting.

1.2 Features

 Communication distance tested is up to 8km  Maximum transmission power of 1W, s oftware multi-level adjus table；  Support the global license-free ISM 170MHz band；  Support air date rate of 0.3kbps ～9.6kbps ；  Support new generation LoRa technology ；  Low power consumption for battery supplied applications ；  Support 3.3V~5.2V power supply, power supply over 5.0 V can guarantee the best performance ；  Industrial grade s tandard design, s upport -40 ~ 85 °C for working over a long time；  SMA optional, good for secondary development and integration.

1.3 Application

 Home s ecurity alarm and remote keyless entry；  Smart home and industrial sens ors；

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 Wireless alarm security system；  Building automation s olutions ；  Wireless industrial-grade remote control；  Health care products ；  Advanced Meter Reading Architecture(AMI)；  Automotive industry applications.

2. Specification and parameter

2.1 Limit parameter

Main parameter

Performance

Notes

Min.

Max.

Power sup p ly （V）

0

5.2

Voltage over 5.2V will cause p ermanent

damage to module

Blocking p ower（dBm）

-

-10

Chances of burn is slim when modules

are used in short distance

Operating temperature（℃）

-40

85

-

2.2 Operating parameter

Main parameter

performance

Notes

Min

Typ.

Max.

Operating voltage（V）

3.3

5.0

5.2

≥5.0 V ensures outp ut power

Communication level（V）

-

3.3

-

For 5V TTL, it may be at risk of

burning down

Operating temperature（℃）

-40 - 85

Industrial design

Operating frequency（M Hz ）

160 - 173

Support ISM band

Power

consumptio

n

Transmitting current [mA]

-

680 - Instant power consumption

Receiving current [mA]

-

22

-

Turn-off current [μA]

- 5 -

Software is shut down

Max Tx power（dBm）

29.3 - 30.5

-

Receiving sensitivity（dBm）

-145

-147

-148

Air data rate is 2.4kbps

Air data rate（bps）

0.3k

2.4k

9.6k

Controlled via user’s

programming

Main parameter

Description

Notes

Distance for reference

8000m

Test condition：clear and open area, antenna gain: 5dBi，

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antenna height: 2.5m，air data rate: 2.4kbps

TX length

58 Byte

Maximum capacity of single package

Buffer

512 Byte

Modulation

LoRa™

Communication interface

TTL

@3.3V

Package

DIP

Connector

2.54mm

Size

24* 43mm

Antenna

SMA-K

50 ohm impedance

3 Size and pin definition

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No.

Name

Direction

Function

1

M0

Input

（Weak pull-up）

Work with M 1 to decide 4 working modes of module (not susp ended, if not used, could be grounded).

2

M1

Input

（weak pull-up）

Work with M 0 to decide 4 working modes of module (not susp ended, if not used, could be grounded).

3

RXD

Input

TTL UART input s, connect s to external (M CU, PC) TXD output pin. Can be configured as op en-drain or pull-up inp ut .

4

TXD

Output

TTL UART output s, connects to external RXD (MCU, PC) inp ut pin. Can be configured as op en-drain or push-pull output

5

AUX

Output

To indicate module ’ s working status & wakes up the external M CU. During the procedure of self-check initialization, the pin outp ut s low level. Can be configured as push-p ull outp ut (suspending is allowed).

6

VCC

Input

Power sup p ly ：2.3~ 5.2V DC

7

GND

Input

Ground

8

Fixed orifice

-

Fixed orifice

9

Fixed orifice

-

Fixed orifice

10

Fixed orifice

-

Fixed orifice

4 Connect to MCU

No.

Description（S TM8L MCU）

1

The UART module is TTL level.

2

For some MCU works at 5VDC, it may need to add 4-10K pull-up resistor for the TXD & AUX pin.

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5 Function description

5.1 Fixed transmission

5.2 Broadcasting transmission

5.3 Broadcasting address

 For example: Set the address of module A as 0xFFFF or 0x0000, and the channel as 0x04;

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 When module is the transmitter (transparent trans miss ion), all modules under channel 0x04 will receive the data, the

purpos e of broadcast is realized.

5.4 Monitor address

 For example: Set the address of module A as 0xFFFF or 0x0000, and the channel as 0x04;  When module A is the receiver, it can receive the data sent from all modules under channel 0x04, the purpose of

monitor is realized.

5.5 Reset

 When the module is powered, AUX outputs low level immediately, conducts hardware self-check and sets the

operating mode based on user’s parameters. During the process, the AUX re mains low level. After the proces s

completed, the AUX outputs high level and s tarts to work as per the operating mode combined by M1 and M0.

Therefore, us ers need to wait the AUX rising edge as the start of module’s normal work.

5.6 AUX description

 AUX Pin can be used as indication for wireless send & receive buffer and s elf-check.  It can indicate whether there are data that are not s ent yet via wireless way, or whether a ll wireless data has been

sent through UART, or whether the module is still in the process of s elf-check initialization.

5.6.1 Indication of UART output

 To wake up external MCU

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5.6.2 Indication of wireless transmitting

 Buffer (empty): the internal 512 bytes data in the buffer are written to the RFIC (Auto sub-packaging).  When AUX=1, the user can input data less than 512 bytes continuously without overflow. Buffer (not empty): when

AUX=0, the internal 512 bytes data in the buffer have not been written to the RFIC completely. If the us er starts to

trans mit data at this circumstance, it may cause overtime when the module is waiting for the user data, or

trans mitting wireless s ub package.

 When AUX = 1, it does not mean that all the UART data of the module have been transmitted already, perhaps the

last packet of data is still in trans miss ion.

5.6.3 Configuration procedure of module

 Only happened when power-on resetting or exiting sleep mode

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5.6.4 Notes for AUX

No.

Description

1

For function 1 & function 2 mentioned above, the priority should be given to the one with low level output,

which means if it meets each of any low level output condition, AUX outputs low level, if none of the low

level condition is met, AUX outputs high level.

2

When AUX outputs low level, it means the module is busy & cannot conduct operating mode checking.

Within 1ms s ince AUX outputs high level, the mode s witch will be completed.

3

After switching to new operating mode, it will not work in the new mode immediately until AUX rising edge

lasts for 2ms . If AUX stays on the high level, the operating mode switch can be affected immediately.

4

When the user switches to other operating modes from mode 3 (sleep mode) or it ’s s till in reset process , the

mo dule will reset us er parameters, during which AUX outputs low level.

6 Operating mode

There are four operating modes, which are set by M1 and M0, the details are as follows:

Mode（0-3）

M0

M1

Mode introduction

Remark

0 Normal

0

1

UART and wireless channel are open, t ransp arent transmission is on

The receiver must work in mode 0 or mode 1

1 Wake up

1

0

UART and wireless channel ar e op en, the only difference with mode 0 is that before transmitting data, increasing the wake up code automatically, so that it can awake the receiver under mode 3.

The receiver could be 0,1 or 2

2 Power

saving

0

1

UART close, wireless is under air-awaken mode, after receiving data, UART open and send data.

transmitter must be mode 1, unable to transmit in this mode.

3 Sleep

1

sleep mode, receiving p arameter setting command is available.

more details on p arameter specification.

6.1 Mode switch

 The user can decide the operating mode by the combination of M1 and M0. The two GPIO of MCU can be used to

switch mode. After modifying M1 or M0, it will start to work in new mode 1ms later if the module is free. If there

are any s erial data that are yet to finish wireless transmitting, it will start to work in new mode after the UART

trans mitting finished. After the module receives the wireless data & t ransmits the data through serial port, it will

start to work in new mode after the transmitting finished. Therefore, the mode -switch is only valid when AUX outputs 1, otherwise it will delay.

 For example, in mode 0 or mode 1, if th e user inputs mass ive data consecutively and switches operating mode at the

same time, the mode-switch operation is invalid. New mode checking can only be s tarted after all the us er ’s data

process completed. It is recommended to check AUX p in out status an d wait 2ms after A UX outputs high level

before switching the mode.

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 If the module switches from other modes to stand-by mode, it will work in stand-by mode only after all the

remained data proces s completed. The feature can be used to save power consumption . For example, when the

trans mitter works in mode 0, after the e xternal MCU transmits data “12345” , it can switch to s leep mode

immediately without waiting the rising edge of the AUX pin, also the us er ’s main MCU will go dormancy

immediately. Then the module will trans mit all the data through wireless trans mis s ion & go dormancy 1ms later

automatically, which reduces MCU working time & save power.

 Likewise, this feature can be used in any mode -switch. The module will start to work in new mode within 1ms afte r

completing present mode task, which enables the user to omit the procedure of AUX inquiry and switch mode

swiftly. For exa mp le, when switching from trans mitting mode to receiving mode, the user MCU can go dormancy

before mode-switch, using external interrupt function to get AUX change so that the mode -switch can be realized.

 This operation is very flexible and efficient. It is totally des igned on the basis of the user MCU’s convenience, at the

same time the work load and power consumption of the whole sys tem have been reduced and the efficiency of

whole system is largely improved.

6.2 Normal mode (mode 0)

When M1 = 0 & M0 = 0, module works in mode 0

Transmitti

ng

The module can receive the user data via serial p ort, and t ransmit wireless data package of 58 bytes. When the data inputted by user is up to 58 byte, the module will start wireless transmission. During which t he user can input data continuously for transmission. When the required transmission bytes are less t han 58 bytes, t he module will wait 3 -by te t ime and treat it as data termination unless continuous data inputted by user. T hen the module will transmit all t he data through wireless channel. When the module receives the first data packet from user, the AUX outp uts low level. After all t he data are transmitted into RF chip and transmission start , AUX outputs high level. At this time, it means t hat t he last wireless data package transmission is started, which enables t he user to inp ut another 512 bytes continuously. The data package transmitted from t he module working in mode 0 can only be received by the module working in mode 0 or 1.

Receiving

The wireless receiving function of the module is on, the data packet transmitted from the module working in mode 0 & mode 1 can be received. After the data packet is received, t he AUX outputs low level, 5ms later the module starts t o transmit wireless data through serial p ort TXD pin. After all t he wireless data have been transmitted via serial p ort , the AUX outp uts high level.

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6.3 Wake-up mode (mode 1)

When M1 = 0 & M0 = 1, module works in mode 1

Transmitting

The condition of data packet transmission & AUX function is the same as mode 0. The only difference is that the module will add preamble code before each data packet automatically. The p reamble code length depends on the wake-up time set in the user parameters. The purpose of the p reamble code is waking up the receiving module works in mode 2. Therefore, the data p ackage transmitt ed from mode 1 can be received by mode 0, mode1 and mode 2.

Receiving

The same as that in mode 0.

6.4 Power-saving mode (mode 2)

When M1 = 1 & M0 = 0, module works in mode 2

Transmitting

UART is closed, the module cannot receive any serial p ort data from outside MCU. Hence the function of wireless transmission is not available for t he module working in this mode.

Receiving

In mode 2, it is required the data transmitter works in mode 1. The wireless module monitors the preamble code at regular time. Once it gets the preamble code, it will remain as receiving status and waiting for the completion of receiving the entire valid data package. Then the AUX outputs low level, 5ms later the serial p ort is open to transmit received wireless data through TXD. Finally, AUX outputs high level after process completed. The wireless module stay s in “ p ower-saving – monitoring” working status (polling). By setting different wake-up time, t he module will have different receiving resp onse delay (2s in maximum) and average p ower consumption (30uA in minimum). The user needs to achieve a balance between communication delay time & average p ower consumption.

6.5 Sleep mode (mode 3)

When M1=1, M0=1, module works in mode 3

Transmitting

N/A

Receiving

N/A

Parameter

setting

This mode can be used for parameter setting. It uses serial p ort 9600 & 8N1 to set module working p arameters through specific instruction format. (pls refer to parameters sett ing for details)

Notes

When the mode changes from stand-by mode to others, t he module will reset its p arameters, during which the AUX keep s low level and then outputs high level after reset comp leted. It is recommended to check the AUX rising edge for user.

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7 Command format

In sleep mode（Mode 3：M1=1, M0=1）, it supports below instructions on list.

(Only support 9600 and 8N1 format when setting)

No.

Instruction

format

Illustration

1

C0+working

parameters

C0 + 5 bytes working p arameters are sent in hexadecimal format. 6 bytes in total and must be sent in succession, ( Save t he parameters when power-down ).

2

C1+C1+C1

( Save the parameters when power-down )

3

C2+working

parameters

Three C1 are sent in hexadecimal format. T he module returns t he saved p arameters and must be sent in succession.

4

C3+C3+C3

C2 + 5 bytes working p arameters are sent in hexadecimal format. 6 bytes in total and must be sent in succession. ( Do not save the parameters when power-down )

5

C4+C4+C4

Three C3 are sent in hexadecimal form at. The module returns the version information and they must be sent in succession.

7.1 Default parameters

Default parameter values：：C0 00 00 1A 17 44

Model

Frequency

Address

Channel

Air data rate

Baud rate

Parity

Transmitting

power

E32-170T30D

170MHz

0x0000

0x28

2.4kbps

9600

8N1

1W

7.2 Reading operating parameters

Instruction format

Description

C1+C1+C1

In sleep mode（M0=1，M 1=1）， User gives the module instruction (HEX format): C1 C1 C1, Module returns the p resent configuration parameters.

For example, C0 00 00 1A 17 44.

7.3 Reading version number

Instruction format

Description

C3+C3+C3

In sleep mode（M0=1，M1=1）,User gives the module instruction (HEX format): C3 C3 C3,Module returns its present version number, for example C3 32 xx y y. t he second byt es means frequency. 32 here means the frequency is 433MHZ, 38 means frequency is 470MHz, 45 means frequency is;

868MHz, 44 means the frequency is 915 MHz, 46 means the frequency is 170MHz; xx is t he version number and yy refers to the other module features.

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7.4 Reset command

Instruction format

Description

C4+C4+C4

In sleep mode（M0=1，M 1=1）, User gives the module instruction (HEX format): C4 C4 C4, the module resets for one time. During the reset process, the module will conduct self-check, AUX outputs low level. After reset completing, the AUX outputs high level, then the module starts to work regularly which the working mode can be switched or be given another instruction.

7.5 Parameter setting command

No

.

Item

Description

Remark

0

HEAD

Fix 0xC0 or 0xC2, it means this frame data is control command

 Must be 0xC0 or 0xC2 C0: Save the p arameters when power-down C2: Do not save the p arameters when power-down

1

ADDH

High address byt e of module

（the default 00H）

00H-FFH

2

ADDL

Low address byte of module

（the default 00H）

00H-FFH

3

SPED

7

6

UART parity bit

 UART mode can be different between

communication parties

0

8N1 (default)

0

1

8O1

1

0

8 E1

1

8N1 (equal to 00)

5 4 3

TTL UART baud rate（bps）

 UART baud rate can be different between

communication parties

 The UART baud rate has nothing to do with

wireless transmission parameters & won’t affect the wireless transmit / receive features.

0 0 0

1200

0 0 1

2400

0 1 0

4800

0 1 1

9600 (default)

1 0 0

19200

1 0 1

38400

1 1 0

57600

1 1 1

115200

2 1 0

Air data rate（bp s）

 The lower the air data rate, the longer the

transmitting distance, better anti-interference

0 0 0

0.3k

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0 0 1

1.2k

performance and longer transmitting time

 The air data rate must keep the same for both

communication parties.

0 1 0

2.4k (default)

0 1 1

4.8k

1 0 0

9.6k

1 0 1

19.2k

1 1 0

19.2k (same to 101)

1 1 1

19.2k (same to 101)

General Specifications

Except for E32 (400T20S)

4

CHAN

7 6 5

reserved

Write 0

Communication channel

00H-36H, correspond to 160~173.5M Hz

5 ~ 0, channel (160M Hz +CHAN * 250KHz), default 28H (170MHz)

5

OPTIO N

7

Fixed t ransmission enabling bit（similar to

MODBUS）

 In fixed transmission mode, t he first three

bytes of each user's data frame can be used as

high /low address and channel. The module

changes its addr ess and channel when

transmit. And it will revert to original setting after complete the process.

0

Transp arent transmission mode

1

Fixed transmission mode

6

IO drive mode (default 1)

 This bit is used to the module internal pull-up

resistor. It also increases the level’s

adaptability in case of open drain. But in some cases, it may need external p ull-up resistor.

1

TXD and AUX push-pull out puts, RXD pull-up inputs

0

TXD、AUX open-collector output s, RXD open-collector inputs

5 4 3

wireless wake-up time

 The transmit & receive module work in mode

0, whose delay time is invalid & can be arbitrary value.

 The transmitter works in mode 1 can transmit

the preamble code of the corresponding time continuously.

 When the receiver works in mode 2, the time

means the monitor interval t ime (wireless wake-up). Only t he dat a from t ransmitter that works in mode 1 can be received.

0 0 0

250ms (default)

0 0 1

500ms

0 1 0

750ms

0 1 1

1000ms

1 0 0

1250ms

1 0 1

1500ms

1 1 0

1750ms

1 1 1

2000ms

2

FEC switch

 After turn off FEC, the actual data

transmission rate increases while

0

Turn off FEC

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1

Turn on FEC (default)

anti-interference ability decreases. Also the transmission distance is relatively short .

 Both communication parties must keep on

the same p ages about turn-on or turn-off FEC.

1 0 Transmission power (approximation)

The external power must make sure the ability

of current outp ut more than 1A and ensure the power supply ripple within 100mV.

Low power transmission is not recommended

due to its low power supply efficiency.

1 0 Transmission power (approximation)

0

30dBm(default)

0

27dBm

0

1

24dBm

1

0

21dBm

For example: The meaning of No.3 "S PED" byte:

The binary bit of the by te

7 6 5 4 3 2 1

0

Configures by user

0 0 0 1 1 0 1

0

Meaning

UART parity bit 8N1

UART baud rate is 9600

Air data rate is 2.4k

Corresponding hexadecimal

1

A

8. Hardware design

 It is recommended to use a DC stabilized power supply. The power s upply ripple factor is as s mall as pos s ible, and

the module needs to be reliably grounded.；

 Please pay attention to the correct connection of the positive and negative poles of the power supply. Reverse

connection may cause permanent damage to the module；

 Please check the power s upply to ensure it is within the recommended voltage otherwise when it exceeds the

maximum value the module will be permanently damaged ；

 Please check the s tability of the power supply, the voltage can not be fluctuated frequently；  When designing the power s upply circuit for the module, it is often recommended to reserve more than 30% of the

margin, s o the whole machine is beneficial for long -term stable operation.；

 The module should be as far away as possible fro m the power supply, trans formers, high-frequency wiring and other

parts with large electromagnetic interference.；

 High-frequency digital routing, high-frequency analog routing, and power routing must be avoided under the

module. If it is necessary to pass through the module, assume that the module is s oldered to the Top Layer, and the

copper is spread on the Top Layer of the module contact part(well grounded), it must be close to the digital part of

the module and routed in the Bottom Layer；

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 Assuming the module is soldered or placed over the Top Layer, it is wrong to randomly route over the Bottom Layer

or other layers, which will affect the module's s purs and receiving sens itivity to varying degrees ；

 It is assumed that there are devices with large electro magnetic interference around the module that will greatly

affect the performance. It is recommended to keep them away from the module according to the strength of the

interference. If neces sary, appropriate isolation and s hielding can be done；

 Assume that there are traces with large electro magnetic interference (high-frequency digital, high-frequency analog,

power traces) around the module that will great ly affect the performance of the module. It is recommended to stay

away from the module according to the strength of the interference. If necessary, appropriate isolation and shielding

can be done.

 If the co mmunicat ion line uses a 5V level, a 1k-5.1k resistor must be connected in series (not recommended, there is

still a risk of damage)；

 Try to s tay away from some phys ical layers such as TTL protocol at 2.4GHz , for example: USB3.0；  The mounting structure of antenna has a great influence on the performance of the module. It is neces sary to ensure

that the antenna is exposed, preferably vertically upward. When the module is mounted inside the case, use a good

antenna extension cable to extend the antenna to the outside ；

 The antenna must not be installed inside the metal case, which will cause the trans mis s ion distance to be greatly

weakened.

9 FAQ

9.1 Communication range is too short

 The communication distance will be affected when obstacle exis ts.  Data lose rate will be affected by temperature, humidity and co -channel interference.  The ground will absorb and reflect wireless radio wave, so the performance will be poor when testing near ground.  Sea water has great ability in abs orbing wireless radio wave, so performance will be poor when tes ting near the sea.  The signal will be affected when the antenna is near metal object or put in a metal case.  Power register was set incorrectly, air data rate is set as too high (the higher the air data rate, the shorter the

distance).

 The power s upply low voltage under room temperature is lower than 2.5V, the lower the voltage, the lower the

trans mitting power.

 Due to antenna quality or poor matching between antenna and module.

9.2 Module is easy to damage

 Please check the power supply source, ensure it is 2.0V~3.6V, voltage higher than 3.6V will damage the module.  Please check the s tability of power s ource, the voltage cannot fluctuate too much.  Please make sure antistatic measure are taken when installing and using, high frequency devices have electrostatic

susceptibility.

 Please ensure the humidity is within limited range, some parts are sensitive to humidity.

Chengdu Ebyte Electronic Technology Co,;Ltd E32-170T30D user manual

 Please avoid us ing modules under too high or too low temperature.

9.3 BER(Bit Error Rate) is high

 There are co-channel signal interference nearby, please be away from interference sources or modify frequency and

channel to avoid interference;

 Poor power supply may caus e mes s y code. Make sure that the power s upply is reliable.  The extension line and feeder quality are poor or too long, so the bit error rate is high;

10 Production guidance

This type is full-s ized module, when the welder welds the module, he mus t be welding according to the anti-static

regulation. This product is allergic to static, randomly we lding the module will have the chance of damaging it

permanently.

11 E32 series

Model No.

Core IC

Frequency

Hz

Tx power

dBm

Distance

km

Air Data Rate

Package

Size

mm

Interface

E32-868T20S

SX1276

868M

20

3

0.3k~19.2k

SMD

16 * 26

UART

E32-915T20S

SX1276

915M

20

3

0.3k~19.2k

SMD

16 * 26

UART

E32-400T20S

SX1278

433M 470M

20

3

0.3k~19.2k

SMD

16 * 26

UART

E32-915T30S

SX1276

915M

30

8

0.3k~19.2k

SMD

25 *

40.3

UART

E32-868T30S

SX1276

868M

30

8

0.3k~19.2k

SMD

25 *

40.3

UART

E32-433T30S

SX1278

433M

30

8

0.3k~19.2k

SMD

25 *

40.3

UART

E32-433T20S2T

SX1278

433M

20

3

0.3k~19.2k

SMD

17 * 30

UART

E32-868T30D

SX1276

868M

30

8

0.3~19.2k

DIP

24 * 43

SMA-K

E32-915T30D

SX1276

915M

30

8

0.3~19.2k

DIP

24 * 43

SMA-K

E32-170T30D

SX1278

170M

30

8

0.3k~9.6k

DIP

24 * 43

SMA-K

E32-868T20D

SX1276

868M

20

3

0.3~19.2k

DIP

21 * 36

SMA-K

E32-915T20D

SX1276

915M

20

3

0.3~19.2k

DIP

21 * 36

SMA-K

E32- 433T20DC

SX1278

433M

20

3

0.3k~19.2k

DIP

21 * 36

SMA-K

E32- 433T30D

SX1278

433M

30

8

0.3k~19.2k

DIP

24 * 43

SMA-K

E32-433T27D

SX1278

433M

27

5

0.3k~19.2k

DIP

24 * 43

SMA-K

E32-433T20S1

SX1278

433M

20

3

0.3k~19.2k

SND

17 *

25.5

SMA-K

Chengdu Ebyte Electronic Technology Co,;Ltd E32-170T30D user manual

12 Antenna recommendation

The antenna is an important role in the communication proces s . A good antenna can largely improve the

communicat ion s ystem. Therefore , we recommend some antennas for wireless modules with excellent performance and

reasonable price.

Model No.

Type

Frequency

Hz

Interfa

ce

Gain dBi

Height

Cable

Function feature

TX170-XP-200

Sucker antenna

170M

SMA-J 4 -

200cm-

Sucker antenna, High gain

TX170-JK-20

Rubber antenna

170M

SMA-J 3 -

-

Flexible &omnidirectional

TX170-JK-11

Rubber antenna

170M

SMA-J

2.5 - -

Flexible &omnidirectional

13 Package for batch order

Chengdu Ebyte Electronic Technology Co,;Ltd E32-170T30D user manual

Revision history

Version

Date

Descript ion

Issued by

1.00

2017-11-10

Initial version

huaa

1.10

2018-01-11

Updating E32 (868T30S)/E32 (915T30S)

huaa

1.20

2018-01-15

Updating E32 (868T20S)/E32 (915T20S)/ E32 (400T20S)

huaa

1.30

2018-01-22

Updating E32 (868T20D)/ E32 (868T30D)

E32 (915T20D)/ E32 (915T30D)/ E32 (170T30D)

huaa

1.40

2018-05-24

Updating antenna option

huaa

1.50

2018-10-11

Manual dividing

huaa

About us

Technical support: s upport@cdebyte.com Documents and RF Setting download link: www.ebyte.com Thank you for us ing Ebyte products! Please contact us with any questions or s uggestions: info@cdebyte.com

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Ebyte E32-170T30D User Manual

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