安信可科技（Ai-Thinker）GPRS series module Selection Guide
LoRa product
选型目录：
LoRa product
Radar product
WiFi+Bluetooth products
2.4G Series Module
GPS Series Module
UWB & 4G series module
GPRS series module
Offline Voice Module Series
Antenna
A9 is a GSM/GPRS module, and A9G is a complete quad-band GSM/GPRS+GPS module. Their core chips cost less, making the overall solution more cost-effective. It
is convenient for all kinds of Internet of Things hardware terminals.
GPRS series
Model
Picture
Package
Size
Antenna
Frequency
Chip
Supply current
Supply voltage
Rate
Power
consumption
Certification
Application
Operating
temperature
Storage
temperature
Characteristic
Interface
A9
SMD-54
19.2*18.8*2.7（±0.2）mm
Half-hole pad
850/900/1800/1900MHz
RDA8955
Low power average current is lower than 2mA
CE/FCC/REACH/RoHS
1.14mA@DRX=5
3.8V~4.2V，Typical 4V
Complete quad GSM/GPRS, supporting digital
and analog audio, HR,FR,EFR,AMR voice
encoding, voice calls and SMS messages
-40°C~+85°C
-40°C~+125°C，＜90%RH
I2C/UART/SDMMC/GPIO/ADC
2400~1843200bps，Default 115200bps
1.03mA@DRX=9
Smart wearables, Smart transportation, Home automation, Industrial wireless control, Wearable electronics, Wireless location-aware devices,
Wireless positioning system signals, and other iot applications
Position Accuracy
*
GPRS series
A9G
SMD-54
19.2*18.8*2.7(±0.2)mm
Half-hole pad
850/900/1800/1900MHz
RDA8955+GK9501S
Low power average current is lower than 2mA
3.8V~4.2V，Typical 4V
Complete quad GSM/GPRS+GPS/BDS, supporting digital
and analog audio, HR,FR,EFR,AMR voice
encoding, voice calls and SMS messages
-40°C~+85°C
-40°C~+125°C，＜90%RH
I2C/USB/UART/SDMMC/GPIO/ADC
2400~1843200bps，Default 115200bps
1.14mA@DRX=5
1.03mA@DRX=9
CE/FCC/REACH/RoHS
Level：2.5m；Apeak：3.5m
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