The GA6-B Mini GPRS/GSM Module is a high-performance, ultra-compact cellular communication board designed for IoT and M2M applications. At Electrapac, we recommend this module for developers who need to add SMS, voice calling, and GPRS data capabilities to their projects with a smaller footprint and lower power consumption than the traditional SIM800L.

Product Overview

The GA6-B (an evolution of the A6 series) is a Quad-band GSM module that allows your microcontroller (Arduino, Raspberry Pi, or ESP32) to communicate across the globe. It supports standard AT commands and features a built-in level shifter, making it natively compatible with both 3.3V and 5V logic systems. Whether you are building a remote weather station or a cellular-based home security alarm, the GA6-B offers reliable connectivity.

Key Features for Electrapac Customers

• Ultra-Miniature Design: One of the smallest GPRS modules on the market, ideal for wearable tech or space-constrained enclosures.

• Plug-and-Play 5V Compatibility: Unlike raw GSM chips that require complex power regulation, this development board is ready to be powered via a 5V pin.

• Wide Temperature Range: Operates reliably between -30°C and +80°C, making it suitable for outdoor industrial monitoring.

• Low Power Consumption: Optimized sleep modes allow the module to draw as little as 2mA, extending battery life for remote sensors.

• Standard AT Command Set: Uses the universal GSM AT command set, ensuring a smooth transition for users familiar with SIMCOM modules.

Wiring & Connection Guide

To get the best performance from your www.electrapac.com module, follow these essential tips:

1. Power Supply (Critical): GSM modules require high current bursts (up to 2A) during network registration. We recommend using an external power source or a high-capacity capacitor across the VCC and GND pins to prevent "reboot loops."

2. Antenna Placement: Always use the included IPX/u.FL antenna. For best signal strength, keep the antenna away from metal objects and high-frequency noise sources.

3. Baud Rate: The module typically defaults to an "Auto-bauding" state or 115200 bps.

Primary Applications

• Remote Monitoring: Sending sensor data (temperature, humidity, GPS) to a server via GPRS.

• SMS Alerts: Building a security system that texts your phone when a motion sensor is triggered.

• Voice Communication: Creating a simple GSM intercom or SOS emergency button.

• IoT Gateways: Acting as a cellular bridge for Bluetooth or LoRa nodes in areas without Wi-Fi.

Why Shop at Electrapac?

We ensure that our GA6-B Modules are tested for network stability and command responsiveness. At www.electrapac.com, we provide the latest revision of the A6 firmware to ensure maximum compatibility with modern cellular networks.