GPRS GSM Module A9

Reference: #4312

R 857.16 In Stock (2)

A GPRS GSM module is a device that allows a microcontroller or other device to connect to a mobile phone network and communicate over the GSM (Global System for Mobile Communications) and GPRS (General Packet Radio Service) protocols. The GSM module acts as a modem, allowing the device to send and receive data over the mobile phone network.

The A9 GPRS GSM module is a specific type of GPRS GSM module that is designed to be small and low-power, making it suitable for use in portable or battery-powered devices. The module can be used to send and receive SMS messages, make and receive phone calls, and connect to the Internet over the GPRS network.

To use a GPRS GSM module with a microcontroller, such as an Arduino, you will need to connect the module to the microcontroller using a suitable connector or set of wires. You will also need to install a library or firmware that provides functions for interacting with the module and sending and receiving data over the mobile phone network.

1. The A9 development board is a multi-function development board based on the Axin A9G GPRS/GSM module, which can be used to verify the basic communication functions and peripheral functions of the A9 module.

2. A9 development board has basic telephone/sms, GPRS network communication.

3. A9 development board contains lithium battery charge management, microphone, speaker interface, USB communication interface, multiple user buttons / led, TF card slot, acceleration sensor, SPI interface, I2C2 interface, ADC interface.

4. Pudding series development board camera expansion board, can be connected to 30W/200W camera.

5. A9 development board slot machine expansion board, can be connected to a traditional coin machine.

2. A9 development board has basic telephone/sms, GPRS network communication.

4. Pudding series development board camera expansion board, can be connected to 30W/200W camera.

5. A9 development board slot machine expansion board, can be connected to a traditional coin machine.

* 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 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

Document:

A9 development board schematic:a9-dev_v1.2.pdf

A9 development board principle library:a9-dev_v1.2.zip

For other basic information, please refer to the WIKI/GPRS page.: https://wiki.ai-thinker.com/gprs

CSDK_Github open source information: https://github.com/Ai-Thinker-Open/GPRS_C_SDK

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