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Gravity: A6 GSM & GPRS Module

SKU: TEL0113

The Gravity A6 GSM & GPRS Module is a versatile communication module offering comprehensive specifications for IoT projects, including support for quad-band GSM, VoLTE, SMS, and data communication with a maximum transmit rate of 85.6Kbps download and 42.8Kbps upload. This module operates at 5V and features a UART (TTL) interface, making it suitable for various applications that require reliable mobile communication. Additionally, it supports AT commands and both digital and analog audio, with voice coding options such as HR, FR, EFR, and AMR. The module's compact dimensions of 45x37 mm and lightweight build of 34g make it an excellent choice for projects that need efficient space and power management.

Front of GSM module with black antenna and small knob.-DFRobot product sku:TEL0113 image.

Downloadable Resources

  • Docs
  • Tech Specs
    • 1. Getting Started
    2. AT Command Usage for GSM and GPRS Debugging
    3. Usage Example for Arduino-GSM Initialization

    This article offers a detailed guide on initializing an Arduino with a GSM module, covering hardware preparations, software setup, connection diagrams, and providing sample code for effective communication between the Arduino and GSM module.
    4. Usage Example for Arduino-GPRS Application

    Use Arduino UNO and the Gravity: A6 GSM & GPRS Module to connect to a web server (Baidu) and send test data via GPRS.
    5. Usage Example for Arduino-Send SMS

    This tutorial demonstrates how to send SMS using Arduino combined with an A6 GSM module, covering hardware setup, software requirements, connection diagram, and sample code for seamless SMS communication.
    6. Usage Example for Arduino-Make a Phone Call

    Use Arduino UNO and the Gravity: A6 GSM & GPRS Module to make and answer phone calls via AT commands.

    Specification

    Parameter Value
    Operating Voltage 5V
    Standby Current <3mA
    Interface UART (TTL)
    Working Temperature -30 ℃ ~ +80 ℃
    GSM / GPRS band 850/900/1800/1900 MHz
    Sensitivity <- 105 dBm
    GPRS Class 10
    Support VoLTE
    Support SMS
    Support GPRS data communication, the maximum data transmit rate: download 85.6Kbps, upload 42.8Kbps
    Support AT commands
    Support digital audio and analog audio, support HR, FR, EFR, AMR voice coding
    Dimension 45x37 mm/1.78x1.46 inches
    Weight 34g

    Pinout

    Gravity: UART A6 GSM & GPRS Module Overview

    Num Label Description
    1 TX TX (2.8V HIgh Level)
    2 RX RX
    3 GND GND
    4 VCC Power + (5V)

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