A9G GPRS/GSM+GPS/BDS MODULE V1.4
Copyright©2019 ShenzhenAi-ThinkerCo.,LtdAllRightsReserved
410, Building C, Gufeng Huafeng Smart Innovation Port, Xixiang, Baoan District, Shenzhen
0755-29162996
Model Name
A9G
Package
SMD54
Size
19.2*18.8*2.7(±0.2)mm
Frenquency
850/900/1800/1900MHz
GPRS Multi-slot
Class 12
GPRS Mobile Station
Class B
Compatible with GSM
Phase 2/2+
Class 4 (2W@850/ 900MHz)
Class 1 (1W@1800/1900MHz)
Power supply
3.8~4.2Vtypicalvalue4.0V
Current
1.14mA@DRX=5
1.03mA@DRX=9
AT command
3GPP TS 27.007, 27.005
GPRS Class 12
Max 85.6kbps (up & down
Coding scheme
CS 1,2, 3, 4
PBCCH
Support
Text
Point to point sms send and receive
Cellular broadcast message,
Text / PDU mode
Voice coding mode
Half Rate (HR)
Full Rate (FR)
Enhanced Full Rate (EFR)
Adaptive Multi-Rate (AMR)
Audio processing
mechanism
Echo Cancellation, Echo suppression, Noise suppression
SIM Card
1.8V/3V
UART
3 pcs ( including firmware upgrade serial port )
baud rate support
2400~1843200bps
default 115200bps
Antenna
Pad
include GSM
GPS
Communication
Interface
I2C
USB
UART
SDMMC
GPIO
ADC
GPS Sensitivity
Cold start: -148 dBm
Hot start: -162 dBm
Recapture: -164dBm
Tracking: -166 dBm
GPS boot time
Cold start < 27.5s
Hot start < 1s
Recapture < 1s
GPS accuracy
Horizontal positioning accuracy
2.5m
High positioning accuracy
3.5m
Working temperature
-20°C~+70°C
Weight
3.0g
Product specifications
Ai-Thinker
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