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Ai-Thinker Technology

GPRS series module topic



GPRS series module topic


A9 is the latest GSM/GPRS module launched by Ai-Thinker. The cost reduction of the core chip makes the whole solution more cost-effective. It provides information transmission functions such as serial port to GPRS/short message/voice call, which is widely used in the fields of Internet of things/vehicle/electric environment detection.

A9G is a complete quad-band GSM/GPRS+GPRS/GPS module. The cost reduction of the core chip makes the whole solution more cost-effective. It is convenient to apply to various IoT hardware terminal occasions.

  A9/A9G module parameters

  • A9/A9G size: 19.2*18.8*2.7mm (±0.2mm)
  • Working temperature -20℃+70℃;
  • Working voltage 3.8V-4.2V, 4V power supply is recommended;
  • Boot voltage>3.8V;
  • Low power consumption average current is below 2mA;
  • Support GSM/GPRS four frequency bands, including 850, 900, 1800, 1900MHZ;
  • GPRS Class 10;
  • Sensitivity < -105dB;
  • Support voice calls;
  • Support SMS;
  • GPIO level is at 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 extended commands;
  • A9 supports 3 serial ports, one download serial port and one AT command port;
  • A9G supports 3 serial ports, one download serial port and one GPS serial port;
  • AT commands support standard AT and TCP/IP command ports;
  • Support digital audio and analog audio, support HR, FR, EFR, AMR voice coding;
  • Support GPS+AGPS (only applicable to A9G);

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Shenzhen Ai-Thinker Technology Co., Ltd.
Support: support@aithinker.com
Business: overseas@aithinker.com
Tel: +86-15989589908 (same number on WeChat)
Address: Room 410, Building C, Huafeng Smart Innovation Port, Gushu, Xixiang, Baoan District, Shenzhen