The stable power supply can ensurethe normal operation ofL850 module;and theripple ofthe
supply should be less than 300mV indesign. When the module operates with themaximumemission
power, the maximum operating current can reach 1000mA, so the power source shouldbe not lower than
3.135V, or the module may shut down orreboot.The power
The L850module 1.8V logic level definitionas shown inthe following table:
Minimum
1.71
1.3
-
The L850module 3.3V logic level definition as shownin the following table:
Minimum
3.135
2.3
-
All Rights Reserved.
bandRF interference
frequency
supply limits are shown in Figure 3
Maximum
Maximum
Recommended
capacitance
39pF,33pF
18pF,8.2pF,6.8pF
Application
700/800,
cy band
850/900
Description
Filter out low frequency
Filter out
interference
medium/high
frequency
band
RF
Figure 3-3 Power Supply Limit
-3:
3.2.2
Logic level
power
Parameters
1.8V logic level
V
IH
V
IL
1.8 1.89
0.3
Typical
1.8 1.89
Parameters
3.3V logic level
V
IH
V
IL
L850-GL Hardware User Manual
3.3 3.465
0.3
Typical
3.3 3.465
0
0.5
0
0.9
Unit
V
V
V
Unit
V
V
V
-
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Consumption
In the condition of 3.3V power supply, the L850 power consumption as shown inthe following table:
All Rights Reserved.
Paging cycle #64 frames (0.64 sec DRx cycle)
Paging cycle #64 frames (0.64 sec DRx cycle)
3.2.3
Power
Parameter
Mode
Condition
Average
Current(mA)
I
off
Power off
WCDMA
Power supply,module power off
DRX=6
DRX=8
0.08
2.5
1.8
I
Sleep
I
WCDMA-RMS
DRX=9
LTE FDD
LTE TDD
Radio Off
AT+CFUN=4,Flight mode
WCDMA Data transfer Band 1 @+23.5dBm
WCDMA Data transfer Band 2 @+23.5dBm
WCDMA
WCDMA Data transfer Band 4 @+23.5dBm
1.6
2.6
2.8
1.2
680
710
500
I
LTE-RMS
WCDMA Data transfer Band 5 @+23.5dBm
WCDMA Data transfer Band 8 @+23.5dBm
LTE FDD Data transfer Band 1 @+23dBm
530
580
760
LTE FDD Data transfer Band 2 @+23dBm
760
LTE FDD Data transfer Band 3 @+23dBm
770
LTE FDD Data transfer Band 4 @+23dBm
LTE FDD Data transfer Band 5 @+23dBm
LTE FDD Data transfer Band 7 @+23dBm
710
550
TBD
LTE FDD
LTE FDD Data transfer Band 8 @+23dBm
LTE FDD Data transfer Band 11 @+23dBm
LTE FDD Data transfer Band 12 @+23dBm
LTE FDD Data transfer Band 13 @+23dBm
LTE FDD Data transfer Band 17 @+23dBm
540
TBD
600
560
580
LTE FDD Data transfer Band 18 @+23dBm
LTE FDD Data transfer Band 19 @+23dBm
LTE FDD Data transfer Band 20 @+23dBm
L850-GL Hardware User Manual
560
520
630
-
Page 23 of 51
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The power consumption of L850 in3CA mode as shown inthe following tables:
1+3+7, 1+3+19, 1+3+20, 1+19+21
2+4+13, 2+5+30, 2+12+30, 2+29+30
5+66+66, 13+66+66, 66+66+2, 66+66+66
average value obtained bytesting some samples.
All Rights Reserved.
Parameter
Mode
Condition
Average
Current(mA)
LTE FDD Data transfer Band 21 @+23dBm
LTE FDD Data transfer Band 26 @+23dBm
LTE FDD Data transfer Band 28 @+23dBm
LTE FDD Data transfer Band 30 @+23dBm
LTE FDD Data transfer Band 66 @+23dBm
LTE TDD Data transfer Band 38 @+23dBm
LTE TDD Data transfer Band 39 @+23dBm
LTE TDD
LTE TDD Data transfer Band 40 @+23dBm
LTE TDD Data transfer Band 41 @+23dBm
Condition
3CA Combination
(LTE FDD 3CA, Full RB)
Band 1 @+22dBm
Band 2 @+22dBm
Band 3 @+22dBm
Band 4 @+22dBm
TBD
540
530
TBD
700
450
320
420
440
Average
Current(mA)
720
880
860
760
2+4+5,
3+7+20, 3+7+28
4+5+30, 4+12+30, 4+29+30
5+66+2, 13+66+2
2+2+5, 2+2+13
3+3+7, 3+7+7, 3+3+20
4+4+5, 4+4+13
Note:
The data above is an
L850-GL Hardware User Manual
Band 5 @+22dBm
Band 7 @+22dBm
Band 12 @+22dBm
Band 13 @+22dBm
Band 19 @+22dBm
Band 20 @+22dBm
Band 21 @+22dBm
Band 28 @+22dBm
Band 30 @+22dBm
Band 66 @+22dBm
-
800
1110
790
630
760
750
950
720
1330
710
Page 24 of 51
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The L850 module provides two control signals forpoweron/off and reset operations, the pindefined as
FUL_CARD_POWER_OFF# pin needs an external 3.3V or 1.8V pull up for booting up. The
VDD_1V8 should be provided fromthe externalcircuit.AP (Application Processor)controls the module
and the circuit design is shown in Figure3
igure 3
Sequence
After powering on, the modulewill start
more than 20ms (100msis recommended).Meanwhile, the modulewill output1.8V voltag
VSD2_1V8 pin and start the initialization process. The start
I/O
All Rights Reserved.
up Controlled by AP
up by pulling upthe FUL_CARD_POWER_OFF# signalfor
up timing is shown in Figure 3
Power on/off signal,internalpull
High or floating: Power on
Reset signal, internal 10KΩ
3.3
Control Signal
shown in the following table:
Pin Pin Name
6
67 RESET#
FUL_CARD_POWER_
OFF#
Reset Value Functions
I
PU
I
-up
Low : Power off
pull-up,active low
Type
3.3/1.8V
1.8V
3.3.1
3.3.1.1
Module Start-Up
Start-upCircuit
The
start-up,
3.3.1.2
Start-upTiming
F
-4 Circuit for Module Start-
-4:
-
L850-GL Hardware User Manual
e through
-
-
-5:
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The VSD2_1V8 signal is the internal PMU 1.8V output voltage which is notconnected
interface. The above timing of VSD2_1V8 is onlyforreference.
The RESET# is required to pull high with a t
tocharge thecapacitors for +3.3V powersupply. If the +3.3V powersupplyis already
before starting upthe module, the delaytime can be ignored.
Shutdown
The module can be shut down by the following controls:
Sending AT+CPWROFF command
FUL_CARD_POWER_OFF# pin
The module can be shut downby sending AT+CPWROFF command. When the modulereceives the
software shutdown command, the module will start the finalization process (the reverse process of
initialization), andit will be completed after3s.In the finalization
SIM card and some other parameters frommemory,then clear the memoryand PMU will be powered off.
After shutdown, the VSD2_1V8 voltage is also shutdown.The software controltiming isshown inFigure
All Rights Reserved.
delay after the +3.3V, because it takes sometime
recommend
Only used whena hardware exception occurs
and the software controlcannot be used.
Figure 3-5 Timing Control for Start-up
Note:
3.3.2
Module
Shutdown Control Action
Software
Pull down
Hardware
on1
Condition
Normal shutdown(
to the M.2
stable
)
3-6:
L850-GL Hardware User Manual
-
Page 26 of 51
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Figure 3
After the software shutdown, the FUL_CARD_POWER_OFF # pin will remain high which prevents the
module from restarting again. Toenablethe next restart, the FUL_CARD_POWER_OFF#pin should be
The VSD2_1V8 signal is the internalPMU 1.8V outputvoltage which is not connected to the M.2
interface. The above timing of VSD2_1V8 is onlyforreference.
The L850 module can reset to its initial
(100msis recommended), and themodulewill restartafterthe RESET# signalis released. When the
customer executes RESET# function, the PMU remains its powerinside the module. The recommended
cuit design is shown in the Figure 3
Figure 3
The reset control timing is shown inFigure 3
All Rights Reserved.
pulled low after shutting down.
Note:
-6 Software Shutdown Timing Control
3.3.3
cir
Module Reset
-7:
-7 Recommended Design for Reset Circuit
L850-GL Hardware User Manual
-8:
-
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RESET# is a sensitive signal, it’s
case of PCB layout, the RESET# signal lines should keep awayfromthe RFinterference and
protected by GND. Also, the RESET# signallines shall neither near the PCB edge nor route on
planes to avoid modulefromreset caused byESD problems.
The L850 module supports USB2.0which is compatible with USBHigh
Speed (12 Mbit/s). For the USBtiming and electrical specification ofL850 module,
to“Universal Serial Bus Specification 2.0”.
Definition
Reset Value
Application
USB interface is used for debugging only, so it onlyneeds to introduce the USB interface test inhardware
All Rights Reserved.
Speed (480 Mbit/s)and USBFull
Figure 3-10 Reset Timing Control
Note:
the surface
3.4 USB Interface
USB interface just for debugging.
-
-
please refer
3.4.1
Pin# Pin Name I/O
7
9
3.4.2
design.
L850-GL Hardware User Manual
USB Interface
USB_D+
USB_D-
I/O
I/O
USB2.0 Interface
Description
USB Data Plus
USB Data Minus
Type
0.3---3V,
USB2.0
0.3---3V,
USB2.0
-
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L850 module supports PCIe 1.0 interface and one data
After L850 module is inserted intoPC, PCIe interface can, workwith the drive program, map an MBIM
port and a GNSS port in Win10 system. While MBIM interface isused for initiating data service in Win10
receiving GNSS
Definition
Reset Value
Application
The reference circuit is shown in Figure 3
All Rights Reserved.
Reset is a functional reset to theAdd
defined by the PCIe Mini Card CEM
Clock Request is a reference clock request
signal as defined by the PCIe Mini Card CEM
specification; Also used by L1 PM Substates
Wake. Open Drain with pullup on
In
3.5
PCIe Interface
transmission channel.
system and GNSS interface for
3.5.1
Pin# Pin Name I/O
41
43 PETP0
47
49 PERP0
53
55
PCIe Interface
PETn0
PERn0
REFCLKN I
REFCLKP I
O
O
I
I
data.
Description
PCIe TX Differential signals
Negative
PCIe TX Differential signals Positive
PCIe RX Differential signals
NegativeBit0
PCIe RX Differential signals Positive
PCIe Reference Clock signal
Negative
PCIe Reference Clock signal
Positive
Type
50
52
54
PERST#
CLKREQ#
PEWAKE# O
I
O
L
T
T
3.5.2
PCIe Interface
PE-
card as
specification
PCIe PME
platform,active low
-9:
CMOS 3.3V
CMOS 3.3V
CMOS 3.3V
L850-GL Hardware User Manual
-
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Figure 3
L850 module supports one PCIe 1.0 interface,
receiving pair RXP/N and clock pair CLKP/N.
PCIe can achieve the maximum transmission rate of2.5 GT/s,and muststrictlyfollowthe rules belowin
The differential signal pair lines shall
The differential signal pair lines shallbe short ifpossible and be controlled within 500mm for AP end;
The impedance of differential signal pair lines is recommended to be 100 ohm, and can be
120 ohmi
It shall avoid the discontinuous reference ground, such as segment and space;
When the differential signal lines go through different layers,the viahole ofgrounding signal should
be in close to that of signal, and gene
holes and the lines shall never cross the segment of plane;
Try to avoid bended lines and avoid introducingcommon
influence the signal integrityand EMI of
angle of all lines should beequal or greater than 135
lines should be larger than 20mil, and the line caused bybending shouldbe greater than 1.5
times line width at least. When a serpentine line isused for length match with another line, the
bended length of each segment shallbe at least 3 times the line
spacing between the bended partof the serpentine line and another one ofthedifferential lines
must be less than 2 timesthe spacing ofnormal differential lines (S1<2S);
All Rights Reserved.
mode noise inthe system, which will
, the spacing betweendifference pair
-9 Reference Circuit for PCIe Interface
PCB Layout:
controlled to 80~
be parallel and equal in length;
n accordance with PCIe protocol;
-3 grounding signal via
-
-10, the bending
L850-GL Hardware User Manual
°
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≥ 3W). The largest
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The difference in length of two data lines in difference pair should be within
match is required for all parts. When the length match is conducted forthe differential lines, the
designed position of correct match shouldbe close to that ofincorrect match,as shown inFigure
11. However, there is no specific r
pair, that is, the length match is onlyrequired in the internaldifferentiallines ratherthan between
different difference pairs. The length match should be close to the signal pin and pass
-
in USIM card interface, which supports 1.8V and3V SIM cards.
The USIM pins descriptionas shown inthe
I/O
PO
All Rights Reserved.
5mil, and the length
Figure 3-10 Requirement of PCIe Line
3-
small-angle bending design.
3.6
USIMInterface
Figure 3
the
The L850 module has a built-
3.6.1
Pin Pin Name
36 UIM_PWR
L850-GL Hardware User Manual
USIM Pins
following table:
Reset Value Description
USIM power supply
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Type
1.8V/3V
Page 31 of 51
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I/O
I/O
Circuit
The reference circuit design for N.C. (NormallyClosed)SIMcard slot is shownin Figure 3
Figure 3
The principlesof theN.C.SIM card slot are described as follows:
is detached, itconnects the shortcircuit between CD and SWpins, and drives the
When the SIM card is inserted, it connects an opencircuit between CDand SWpins,and drives the
circuit design for N.O.(NormallyOpen) SIM card slot is shown in Figure 3
All Rights Reserved.
USIM data,internal pull up(4.7KΩ)
USIM card detect, internal 390K
Active high, and high level indicates
SIM card is inserted; and low level
indicates SIM card is detached.
Pin Pin Name
Reset Value Description
Type
30 UIM_RESET
32 UIM_CLK
34 UIM_DATA
66
SIM_DETECT
3.6.2
3.6.2.1
USIM Interface
N.C. SIMCard Slot
O
O
I
L
USIM reset
L
USIM clock
L
pull-up.
PD
1.8V/3V
1.8V/3V
1.8V/3V
1.8V
-12:
When the SIM card
SIM_DETECT pin low.
SIM_DETECT pin high.
3.6.2.2
N.O. SIM Card Slot
The reference
L850-GL Hardware User Manual
-12Reference Circuit for N.C. SIM Card Slot
-13:
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13
The principlesof theN.O.SIM card slot are describedas
When the SIM card is detached, it con
the SIM_DETECT pin low.
inserted,
Plugging
The L850 module supports the SIM
inserted or detached by detecting the SIM_DETECT pin state ofthe SIM card slot.
plugging functioncan be configuredby“AT+MSMPD” command, and the descriptionfor
AT command as shown in the following table:
plugging detection functionis enabled,the moduledetects thatthe SIMcard is
insertedwhen the SIM_DETECT pin is high,thenexecutes the initialization programand finishthe
All Rights Reserved.
plugging function, which determines whether the SIM card is
plugging detection function is
The module can detect whether the SIM card is inserted ornot
plugging detect function is disabled.
when starting up, and the
SIM_DETECT status will not be detected.
Figure 3-
When the SIM card is
SIM_DETECT pin high.
Reference Circuit for N.O. SIM Card Slot
follows:
it connects the short circuit between CD and
3.6.3
The SIM card hot-
AT Command
AT+MSMPD=1
AT+MSMPD=0
USIM Hot-
Hot-plugging
Detection
Enable
Disable
card hot-
Function Description
Default value, the SIM card hot-
enabled.
through the SIM_DETECT pin state.
The SIM card hot-
The module readsthe SIM card
SW pins, and drives the
After the SIM card hot-
L850-GL Hardware User Manual
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network registration after reading the SIM ca
module determines that the SIM card is detachedand does not read the SIM card.
By default, SIM_DETECTis active
command. Please refer tothe
The SIM card circuit design shallmeetthe EMC standards and ESDrequirements with the
improvedcapability to resist interference, to ensure thatthe SIM card canworkstably. Thefollowing
be noted in caseof design:
The SIM card slotplacement should near the module as close as possible, and awayfromthe RF
antenna, DC/DC power supply, clocksignal lines, and other strong interference sources.
The SIM card slot with a metal shielding
The trace length between theSIM card slotand the moduleshould not exceed 100mm, or it could
The UIM_CLK and UIM_DATA signal lines shouldbe isolated byGND to avoid crosstalk
interference. If it is difficult for the layout,the whole SIM signal lines shouldbe wrapped with
The filter capacitors and ESDdevices for SIM card signals should be placed near to the SIM card
slot, and the ESD deviceswith 22~
Indicator
The L850 module providesthree signals to indicate the operating status of the module, and the status
indicator pinsas shown in the following table:
Reset Value
All Rights Reserved.
high, which can be switched to active
interference ability.
output, externalGPS control
Note:
-
-low by the AT
3.6.4
guidelines should
USIM Design
reduce the signal quality.
housing can improve the anti-
GND as a group at least.
33pF capacitance should be used.
3.7
Status
Pin Pin Name
10 LED1#
23 WOWWAN#
48 TX_BLANKING
I/O
O
O
O
PD
PU
PD
Pin Description
System status LED, drain output.
Module wakes upHost (AP).
PA Blanking
signal.
Type
CMOS 3.3V
CMOS 1.8V
CMOS 1.8V
L850-GL Hardware User Manual
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The LED#1 signal is used to indicate the operating status of the module,and the detailed description as
follows:
The resistance of LED current
The WOWWAN# signal is used to wake the Host (AP) when there comes the data request.The definition
of WOWWAN# signal is as follows:
The WOWWAN# timing is shown inFigure 3
LED1#
Lowlevel(LED On)
Highlevel(LED Off)
WOWWAN#Signal
Pulllow 1s then pull high (pulse
High level
All Rights Reserved.
limiting resistor is selected according to the driving voltage and
3.7.1
LED#1Signal
shown in the following table:
Module Status
RF function ON
RF function OFF
The LED driving circuit is as
Signal
Figure 3-14 LEDDriving Circuit
Note:
-
the driving current.
3.7.2
Operating Mode
data requests
Idle/Sleep
WOWWAN#
-15:
signal).
L850-GL Hardware User Manual
Figure 3-15 WOWWAN#Timing
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When the module operates in LTE TDD Band 39, TX_BLANKING outputs thepulse signal synchronous
As TDD TX may interfere the receiving ofGPSsignal, AP will disableGPS or stop GPS data receiving
when detecting TX_BLANKING pulse signal, so as to avoid abnormal operation of GPS.
s shown in Figure 3
Control
The L850 module provides four interruptsignals, and the pin definition is as follows:
The module provides a hardware pin to enable/disable WWAN RF function, and the function can alsobe
controlled by the AT command. The
definition of W_DISABLE1# signal is as follows:
Function
WWAN
WWAN function is disabled,the module entersFlight mode.
All Rights Reserved.
pulse signal synchronous with TDD burstTX
3.7.3
with TDD burst TX timing.
Operating Mode of Module
Default state
TDD burst TX(Band38)
TX_BLANKING
TX_BLANKING Signal
Low level
Output the
TX_BLANKING timing i
-16:
Figure 3-16 TX_BLANKING Timing
3.8
Interrupt
Pin Pin Name I/O
8
W_DISABLE1#
25 DPR
26 W_DISABLE2#
44 GNSS_IRQ
I
I
I
I
Reset Value Pin Description
PD
PU
PU
PD
Enable/Disable RF network
Body SAR detection
GNSS Disablesignal,
Reserved
GNSS Interrupt Request,
Reserved
3.8.1
W_DISABLE1#
Type
CMOS 3.3V
CMOS 1.8V
CMOS 1.8V
CMOS 1.8V
W_DISABLE1# signal
High/Floating
Low
L850-GL Hardware User Manual
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The function of W_DISABLE1# can be customized, please refer to the software porting guide.
The L850 module supportsBody SARfunction bydetecting the DPRpin. The voltage levelofDPR is high
sensor
As the result, the module then lowers down its emission powerto its default thresholdvalue, thus
reducing theRF radiation onthe human body. The threshol
Commands. The definition ofDPR signalas shown inthe following
The L850 module supports a clock interface, itcan output26MHzclock.
Reset Value
Interface
The module supports ANT Tunableinterfaces with two different
GPO interface. Through cooperating with external antenna adapterswitch viaANT Tunable,it can flexibly
configure the bands of LTE antenna to improve theantenna’s working efficiencyand save space for the
Function
The modulekeeps the default emission power
Lower the maximumemission powerto the threshold value ofthe module.
Reset Value
All Rights Reserved.
signal
26M clock output, default disabled
can be used for externalGPS, etc
Tunable ANT control,MIPI Interface,
Tunable ANT control,MIPI Interface,
Tunable ANT control,GPO interface,
Note:
3.8.2
by default, and when the SAR
DPR signal
High/Floating
Low
3.9
BODYSAR
ClockInterface
detects the closing human body, the DPR
table:
will be pulled down.
AT
Pin Pin Name I/O
46
SYSCLK
O
Pin Description
Type
1.8V
3.10
ANT Tunable
antenna.
Pin Pin Name I/O
RFE_RFFE2_
56
SCLK
RFE_RFFE2_
58
SDATA
59 ANTCTL0
O
O
O
Pin Description
RFFE2 clock,Open Drain output
RFFE2 data,Open Drain output
Type
CMOS
3.3/1.8V
CMOS
3.3/1.8V
CMOS 1.8V
L850-GL Hardware User Manual
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Reset Value
Interface
The L850 module provides four config pins for the
The M.2 module configuration as the following table:
Config_2
(pin75)
GND
Please refer to ”PCI Express M.2 Specification Rev1.0”for more details.
Interfaces
The module does not support otherinterfaces yet.
Reset Value
All Rights Reserved.
Tunable ANT control,GPO interface,
Tunable ANT control,GPO interface,
PCIe, USB3.0 type M.2
Module Type and Main
Pin Pin Name I/O
61 ANTCTL1
63 ANTCTL2
O
O
3.11
Config
module:
Pin Pin Name
1
CONFIG_3
21
CONFIG_0
69
CONFIG_1
75
CONFIG_2
I/O
O
L
O
L
O
L
O
Pin Description
Bit0
bit1
Bit2
configuration as the WWAN-
Pin Description
NC
Internally connected to GND
Internally connected to GND
Internally connected to GND
Type
CMOS 1.8V
CMOS 1.8V
Type
Config_0
(pin21)
GND GND
Config_1
(pin69)
Config_3
NC WWAN – PCIe,USB3.0
(pin1)
3.12
Other
Host Interface
Port
Configuration
0
L850-GL Hardware User Manual
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Frequency
Functionality
module supports two RFconnectors usedfor externalantenna connection. As the Figure 4
shows, “M” is for Main antenna, used to receive andtransmit RFsignals;“D/G”is for Diversityantenna,
used to receive the diversity RF signals.
Characteristic
DCto 6GHz
50Ω
Dimension
The L850 module adopts standard M.2 moduleRF connectors, the model name is
company, and the connector size is2*2*0.6m. The connectordimension is shown as following picture:
All Rights Reserved.
Environment Condition
4 Radio
4.1
RF Interface
4.1.1
The L850
RF Interface
-1
Figure 4-1 RF connectors
4.1.2
Rated Condition
Frequency Range
Characteristic Impedance
4.1.3
RFConnector
RF Connector
Temperature Range
–40°C to +85°C
818004607
from ECT
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Figure 4
Figure4
4 Schematic diagram of0.81mm coaxial antenna connected to the RF connector
All Rights Reserved.
-2 RF connector dimensions
-3 0.81mm coaxial antenna dimensions
Figure 4-
L850-GL Hardware User Manual
-
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Band
The L850 module operating bands of the antennas are as follows:
LSMH Blocks A/B/C
Japan Lower 800MHz
Japan Upper 800MHz
All Rights Reserved.
2570
1880
4.2
Operating
Operating
Band
Band 1 IMT 2100MHz
Band 2 PCS 1900MHz
Band 3 DCS 1800MHz
Band 4 AWS 1700MHz
Band 5 CLR 850MHz
Band 7 IMT-E 2600Mhz
Band 8 E-GSM 900MHz
Band 11 LPDC 1500MHz
Description
Band 12
700MHz
Band 13
USMH Block C
700MHz
Mode
LTE FDD/WCDMA 1920 - 1980
LTE FDD/WCDMA 1850 - 1910
LTE FDD 1710 - 1785
LTE FDD/WCDMA 1710 - 1755
LTE FDD/WCDMA 824 - 849
LTE FDD 2500 - 2570
LTE FDD/WCDMA 880 - 915
LTE FDD 1427.9 - 1447.9
LTE FDD
LTE FDD
Tx (MHz)
699 - 716
777 - 787
Rx (MHz)
2110 - 2170
1930 - 1990
1805 - 1880
2110 - 2155
869 - 894
2620 - 2690
925 - 960
1475.9 - 1495.9
729 - 746
746 - 756
Band 17
Band 18
Band 19
Band 20 EUDD 800MHz
Band 21 UPDC 1500MHz
Band 26 ECLR 850MHz
Band 28 APAC 700MHz
Band 29
Band 30
Band 66 1700MHz
Band 38 IMT-E 2600MHz
LSMH Blocks B/C
700MHz
LSMH blocks D/E
700MHz
WCS blocks A
2300MHz
LTE FDD
LTE FDD 815 - 830
LTE FDD 830 - 845
LTE FDD 832 - 862
LTE FDD 1447.9 - 1462.9
LTE FDD 814 - 849
LTE FDD 703 - 748
LTE FDD
LTE FDD
LTE FDD 1710 - 1780
LTE TDD
704 - 716
N/A
2305 - 2315
734 - 746
860 - 875
875 - 890
791 - 821
1495.9 - 1510.9
859 - 894
758 - 803
716 - 728
2350 - 2360
2110 - 2200
- 2620
Band 39 TDD 1900MHZ
L850-GL Hardware User Manual
LTE TDD
- 1920
-
Page 41 of 51
Page 42
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BRS/EBS 2500MHZ
Power
The transmitting power foreach band ofthe L850 moduleas shown inthe following table:
All Rights Reserved.
2300
2496
10MHzBandwidth,1 RB
10MHzBandwidth,1 RB
10MHzBandwidth,1 RB
10MHz
10MHzBandwidth,1 RB
10MHzBandwidth,1 RB
10MHzBandwidth,1 RB
10MHzBandwidth,1 RB
10MHzBandwidth,1 RB
10MHzBandwidth,1 RB
10MHz
10MHzBandwidth,1 RB
10MHzBandwidth,1 RB
10MHzBandwidth,1 RB
Operating
Band
Description
Mode
Tx (MHz)
Rx (MHz)
Band 40 IMT 2300MHz
Band 41
GPS L1
GLONASS
L1
BeiDou
4.3
Transmitting
LTE TDD
LTE TDD
N/A
N/A
N/A
Mode Band
Band 1
WCDMA
Band 2
Band 4
Band 5
Tx Power(dBm) Note
23.5±1
23.5±1
23.5±1
23.5±1
- 2400
- 2690
1575.42±1.023
1602.5625±4
1561.098±2.046
LTE FDD
Band 8
Band 1
Band 2
Band 3
Band 4
Band 5
Band 7
Band 8
Band 11
Band 12
Band 13
Band 17
Band 18
23.5±1
23±1
23±1
23±1
23±1
23±1
23±1
23±1
23±1
23±1
23±1
23±1
23±1
Bandwidth, 1 RB
Bandwidth, 1 RB
Band 19
Band 20
L850-GL Hardware User Manual
23±1
23±1
-
Page 42 of 51
Page 43
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Sensitivity
The receiver sensitivity foreach band ofthe L850 module as shown in the following table:
All Rights Reserved.
10MHzBandwidth,1 RB
10MHzBandwidth,1 RB
10MHzBandwidth,1 RB
10MHzBandwidth,1 RB
10MHzBandwidth,1 RB
10MHzBandwidth,1 RB
10MHzBandwidth,1 RB
10MHzBandwidth,1 RB
10MHz
BER<0.1%
BER<0.1%
BER<0.1%
BER<0.1%
BER<0.1%
10MHzBandwidth
10MHzBandwidth
10MHzBandwidth
10MHzBandwidth
10MHzBandwidth
10MHzBandwidth
10MHz
10MHzBandwidth
10MHzBandwidth
10MHzBandwidth
10MHzBandwidth
Mode Band
Tx Power(dBm) Note
Band 21
Band 26
Band 28
Band 30
Band 66
Band 38
23±1
23±1
23±1
23±1
23±1
23±1
LTE TDD
Band 39
Band 40
Band 41
23±1
23±1
23±1
4.4
Receiver
Bandwidth, 1 RB
Mode
WCDMA
LTE FDD
Band
Band 1
Band 2
Band 4
Band 5
Band 8
Band 1
Band 2
Band 3
Band 4
Band 5
Band 7
Band 8
Rx Sensitivity(dBm)
Typical
TBD
TBD
TBD
TBD
TBD
TBD
TBD
TBD
TBD
TBD
TBD
TBD
Note
Bandwidth
Band 11
Band 12
Band 13
Band 17
L850-GL Hardware User Manual
TBD
TBD
TBD
TBD
-
Page 43 of 51
Page 44
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The above values are measuredfor the dual antennas situation(Main+Diversity). For singlemain
antenna (without Diversity),the sensitivitywill drop around
L850 module supports GNSS/BeiDou and
All Rights Reserved.
10MHzBandwidth
10MHzBandwidth
10MHzBandwidth
10MHzBandwidth
10MHzBandwidth
10MHzBandwidth
10MHzBandwidth
10MHzBandwidth
10MHzBandwidth
10MHzBandwidth
10MHzBandwidth
10MHzBandwidth
10MHzBandwidth
Test Result
Mode
Band
Band 18
Rx Sensitivity(dBm)
Typical
TBD
Note
LTE TDD
Band 19
Band 20
Band 21
Band 26
Band 28
Band 29
Band 30
Band 66
Band 38
Band 39
Band 40
Band 41
Note:
TBD
TBD
TBD
TBD
TBD
TBD
TBD
TBD
TBD
TBD
TBD
TBD
4.5
GNSS
integrated antenna.
Description
Power
Condition
GPS fixing TBD
GPS tracking TBD
GLONASS fixing TBD
GLONASS tracking TBD
BeiDou fixing TBD
BeiDou tracking TBD
Sleep TBD
L850-GL Hardware User Manual
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Page 44 of 51
Page 45
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GPS/GLONASS/BeiDou
Please note that GPS current is tested with RFdisabled.
Design
The L850module provides main and diversityantenna
L850 module Main antenna requirements
All Rights Reserved.
Test Result
The most proper antenna to adapt the frequencies should
Description
TTFF
AGNSS
GPS
Condition
Cold start TBD
Warm start TBD
Hot Start TBD
Cold start TBD
Open Sky TBD
Sensitivity
4.6
Antenna
GLONASS
BeiDou
Note:
Open Sky TBD
Open Sky TBD
as shown in the following table:
Frequency range
Bandwidth(WCDMA)
Bandwidth(LTE)
WCDMA band 1(2100) : 250 MHz
WCDMA band 2(1900) : 140 MHz
WCDMA band 4(1700) : 445 MHz
WCDMA band 5(850) : 70 MHz
WCDMA band 8(900) : 80 MHz
LTE band 1(2100): 250 MHz
LTE band 2(1900): 140MHz
LTE Band 3(1800): 170 MHz
LTE band 4(1700): 445MHz
LTE band 5(850): 70 MHz
LTE band 7(2600): 190 MHz
be used.
LTE Band 8(900): 80 MHz
LTE Band 11(1500): 68 MHz
LTE Band 12(700): 47 MHz
LTE Band 13(700): 41 MHz
L850-GL Hardware User Manual
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Page 45 of 51
Page 46
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L850 module Main antenna requirements
All Rights Reserved.
Bandwidth(GNSS/BeiDou)
LTE Band 17(700): 42 MHz
LTE Band 18(800): 80 MHz
LTE Band 19(800): 80 MHz
LTE band 20(800): 71 MHz
LTE band 21(1500): 63 MHz
LTE band 26(850): 80 MHz
LTE band 28(700): 100 MHz
LTE band 29(700): 12 MHz
LTE band 30(2300): 55 MHz
LTE band 66(1700): 490MHz
LTE band 38(2600): 50 MHz
LTE Band 39(1900): 40 MHz
LTE band 40(2300): 100 MHz
LTE band 41(2500): 194 MHz
GPS: 2MHz
GLONASS: 8MHz
Impedance
Input power
Recommended standing-wave
ratio (SWR)
BeiDou: 4MHz
50Ohm
> 26dBmaverage power WCDMA & LTE
≤ 2:1
L850-GL Hardware User Manual
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Page 46 of 51
Page 47
Reproduction forbidden without FibocomWireless Inc. written authorization
Specification
Appearance
The product appearance for L850 moduleis shown in Figure5
Structure
The structuraldimensionof the L850module is shown in Figure 5
All Rights Reserved.
5 Structure
5.1
Product
Figure 5-1 Module Appearance
-1:
5.2
Dimension of
-2:
Figure 5-2 Dimension of Structure
L850-GL Hardware User Manual
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Page 47 of 51
Page 48
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Model
pingold finger as external interface, where 67 pins are signal pins and 8
pins are notch pins as shown in Figure 3
on, L850 moduleadopts Type 3042
maximum height on t top layer is 1.5mm, PCB thickness is 0.8mm, and KEYID is B).
The L850 module connects to APviaM.2 connector, it is recommended to use M.2 conn
LOTES company with the model APCI0026
All Rights Reserved.
1. For module dimension, please refer to chapter
B interface (30x42mm, the component
3. Thepackage ofconnector,
5.3
M.2 Interface
The L850 M.2 module adopts 75-
the M.2 interface definiti
-
-S3-
5.2. Based on
5.4
M.2 Connector
please refer to the specification.
-P001A as shown in Figure 5-
ector from
L850-GL Hardware User Manual
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Page 48 of 51
Page 49
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Figure 5
Storage Conditions (recommended):Temperature is 23 ± 5
Storage period (sealed vacuum packing): Under the recommended storage conditions, the storage lifeis
The L850 module uses the tray sealed vacu
the hard cartoon box, so that the storage, transportation and the usage ofmodules can be protected to
The module is a precisionelectronic product,and maysuffer
electrostatic protection measures are taken.
All Rights Reserved.
, relative humidity isRH 35
-3 M.2 Dimension of Structure
5.5
Storage
5.5.1 Storage Life
12 months.
℃
-70%.
5.6
Packing
the greatest extent.
Note:
L850-GL Hardware User Manual
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Page 49 of 51
Page 50
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The L850 module uses tray package,20 pcs are packed in each tray, with 5 trays in each box and 6 boxes
in each case. Tray packaging process is shown
All Rights Reserved.
5.6.1
Tray Package
in Figure 5-4:
Figure 5-4 Tray Packaging Process
L850-GL Hardware User Manual
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Page 50 of 51
Page 51
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pallet size is 330*175*6.0mm, as shown in Figure 5
175.0±0.5
B1
159.0±0.3
9.0±0.2
All Rights Reserved.
43±0.3
24.5±0.5
5.6.2
The
Tray size
-5:
ITEM
DIM 330.0±0.5
ITEM A1
DIM 294.0±0.3
ITEM
DIM 105.0±0.2
G
L
W
H
6.0±0.3 0.5±0.1
C
20.0±0.5 9.0±0.5
J
T
A0
D
33.0±0.3
E
187.5±0.2
B0
F
Figure 5-5Tray Size (Unit: mm)
L850-GL Hardware User Manual
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