A9 GPRS + GSM SMS Original Development Board

SALE 19%
R260.33 R210.33

A9 GPRS + GSM SMS Original Development Board

A9 GPRS + GSM SMS Development Board

A9 GPRS + GSM SMS Original Development Board


In stock


Original Ai-Thinker A9 GPRS/GSM module. It has basic phone/SMS, GPRS communications, lithium battery charge management, etc.
Note: Specifications, Prices & Availability may change without notice. Images are for illustration purposes only. E&OE

Brand: Ai-Thinker

Availability: 5 in stock SKU: STC-00535 Categories: , Tags: , ,
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The A9 development board has basic telephone/SMS, GPRS network communication.
It also features lithium battery charge management, microphone, speaker interface, USB communication interface, multiple user buttons/led, TF card slot, acceleration sensor, SPI interface, I2C2 interface, and ADC interface.
A9 development board slot machine expansion board, can be connected to a traditional coin machine.
This is an original Ai-Thinker A9 GPRS/GSM Development Board.


  • Remote monitoring intercom with GSM and microphone/speakers,
  • Remote monitoring camera with GPRS + TF + camera extension board,
  • Wechat payment slot machine scheme with the slot machine function.
  • Chip size: 19.2*18.8*2.7mm (±0.2mm)
  • Working temperature -30 ° C +80 ° C;
  • Working voltage is 3.5V-4.2V, 4V power supply is recommended;
  • Boot voltage > 3.5V;
  • Low power average current is below 2mA;
  • Support GSM/GPRS four frequency bands, including 850, 900, 1800, 1900MHZ;
  • GPRS Class 10;
  • Sensitivity <-105;
  • Support voice calls;
  • Support SMS;
  • GPIO level is 2.8V;
  • Support GPRS data service, maximum data rate, download 85.6Kbps, upload 42.8Kbps;
  • Support standard GSM07.07, 07.05 AT commands and Ai-Thinker extension commands;
  • A9 supports 3 serial ports, one download serial port and one AT command port;
  • AT command supports standard AT and TCP/IP command ports;
  • Support digital audio and analog audio, support HR, FR, EFR, AMR voice coding

A6, A9 and A9G User Manual In Chinese

A9 AT Instruction Set

A9 Specifications

Additional information

Weight 23 g



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