Elecbee A9 GPRS GSM Module – Quad-Band 850/900/1800/1900MHz, Low Power <2mA, IoT Development Board with Voice/SMS Expansion Ports

SKU: EB000578

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Key Features

Features:

Global Network Compatibility: Equipped with quad-band GSM/GPRS support (850/900/1800/1900MHz), this module ensures seamless connectivity across global networks, making it ideal for international IoT applications like remote monitoring and asset tracking.
Ultra-Low Power Design: Features an average low-power current of under 2mA, minimizing energy consumption and extending battery life—perfect for long-term deployments in wearables, sensors, or off-grid devices.
Multi-Functional Expansion Interface: Includes built-in USB, TF card slot, accelerometer, and dedicated expansion ports for camera (30W/200W) and coin machine boards, enabling developers to test and validate diverse IoT peripherals effortlessly.
Developer-Friendly Command Support: Supports standard GSM07.07/07.05 AT commands and Ai-Thinker extension commands, along with 3 serial ports (download + AT command), simplifying integration for GPRS data, voice, and SMS functionalities.
Versatile Communication Capabilities: Delivers GPRS data transmission (85.6Kbps download/42.8Kbps upload), voice calls, SMS messaging, and dual audio support (digital/analog with HR/FR/EFR/AMR coding)—suitable for smart home automation, industrial control, and telematics systems.

Specifications

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Attribute

Value

Wireless Capability

Cellular

Model

USB Support

USB

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Description

Overview:

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.

Specifications:

* 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

1 x GPRS GSM Module A9 Module

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.: http://wiki.ai-thinker.com/gprs

CSDK_Github open source information:

GPRS-GSM-Module-A9-Module-SMS-Voice-Wireless-Data-Transmission-IOT-GSM-Internet-of-Things-1507060

Shopping Guide

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