Table of Contents
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Interfaces
RF Interface
Function Interface
Data Features
Protocol Stack
EDGE
GPRS
CSD
USSD
SMS
Audio
Audio Control
Character Set
AT commands
Accessories
L831-EA Module Hardware User Manual
2G Talk：300mA (GSM PCL5)
Antenna : Mainx1，Diversityx1
1 x USB 2.0，Multiple Profiles over USB
SIM Support，I2C Support，I2S/PCM Support
GPIO，Clock
Embedded TCP/IP and UDP/IP protocol stack
Multi-slot class 33 (5 Down; 4 Up; 6 Total)
Coding Scheme MCS1~9
Multi-slot class 33 (5 Down; 4 Up; 6 Total)
Coding Scheme MCS1~4
UMTS(14.4kbps)，GSM(9.6kbps)
Support
MO / MT Text and PDU modes
Cell broadcast
Digital Audio
Voice coders :EFR/HR/FR/AMR
VoLTE (not support yet）
Gain control
IRA，GSM，UCS2，HEX
FIBOCOM proprietary AT commands
GSM 07.05
GSM 07.07
Firmware Loader Tool over USB
User Manual
Developer Kit
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