Ai Thinker A9G GPRS Series Module


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SKU: 648410
  1. Complete quad-band GSM / GPRS module, 850/900/1800 / 1900MHz
  2. SMD package for easy MP & testing
  3. GPIO level is 2.8V
  4. Low power mode, average current 2mA or less
  5. Support GPS, BD


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Brand: Ai-Thinker
Category: Ai Thinker ESP Modules
Ai Thinker A9G GPRS Series Module is a complete quad-band GSM/GPRS module that supports GPRS and GPS/AGPS technologies and is integrated into a compact SMD package.
A9G can be widely used in various IoT applications, suitable for home automation, industrial wireless control, wearable electronics, wireless location-aware devices, wireless positioning system signals, and other IoT applications. It is an ideal solution for IoT applications.
A9G adopts an SMD package, which can realize the rapid production of products through standard SMT equipment. It is especially suitable for modern, large-scale, low-cost production methods, and is convenient for various IoT hardware terminal applications. Compared with the previous generation A6/A7, the integration of A9/A9G is higher, and the cost reduction of the core chip also makes the whole solution more cost-effective.


  1. Complete quad-band GSM / GPRS module, 850/900/1800 / 1900MHz
  2. SMD package for easy MP & testing
  3. Working temperature -30 ° C +80 ° C;
  4. GPRS Class 10
  5. Sensitivity <-105
  6. GPIO level is 2.8V
  7. Low power mode, average current 2mA or less
  8. support GPS, BD.
  9. Supports digital audio and analog audio, supports HR, FR, EFR, AMR voice coding
  10. Support voice calls and SMS messages
  11. Embedded network service protocol stack
  12. Support standard GSM07.07,07.05AT command and Anxin expandable command set
  13. Support PBCCH
  14. Supports firmware upgrade via serial port

Package includes:

1 x Ai Thinker A9G GPRS Series Module

SKU: 648410 Category:
Model Name






GPRS Multi-slot

Class 12

GPRS Mobile Station

Class B

Power supply

3.5~4.2V typical value 4.0V



AT command

3GPP TS 27.007, 27.005

Coding scheme

CS 1,2, 3, 4



Audio processing mechanism

Echo Cancellation, Echo suppression, Noise suppression

SIM Card



3 pcs ( including firmware upgrade serial port ), baud rate support 2400~1843200bps, default 115200bps


Pad (include GSM, GPS)

Communication Interface


GPS boot time

Cold start < 27.5s
Hot start < 1s
Recapture < 1s

GPS Sensitivity

Cold start: -148 dBm
Hot start: -162 dBm
Recapture: -164dBm
Tracking: -166 dBm

GPS accuracy

Horizontal positioning accuracy:2.5m
High positioning accuracy:3.5m

Working temperature

-20°C ~ +75°C

Length (mm)


Width (mm)


Height (mm)


Weight (gm)


Shipping Weight 0.03 kg
Shipping Dimensions 8 × 5 × 1 cm
1 Month Warranty

This item is covered with a standard warranty of 1 month from the time of delivery against manufacturing defects only. This warranty is given for the benefit of Robu customers from any kind of manufacturing defects.  Reimbursement or replacement will be done against manufacturing defects.

What voids warranty:

If the product is subject to misuse, tampering, static discharge, accident, water or fire damage, use of chemicals & soldered or altered in any way.

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Country Of Origin: China