The SIM800A Quad-Band GSM GPRS Module is a high-performance wireless communication module that enables GSM and GPRS connectivity for embedded and IoT applications. It supports quad-band frequencies (850/900/1800/1900 MHz), ensuring seamless operation on GSM networks worldwide. With SMS, voice call, and internet data (GPRS) capabilities, this module is widely used in remote monitoring, GPS tracking, IoT projects, and home automation.
It features UART communication for easy integration with Arduino, Raspberry Pi, ESP8266, and other microcontrollers. The built-in TCP/IP stack allows internet connectivity for data transfer applications. Its compact size and low power consumption make it ideal for portable and battery-operated devices.
Key Features:
✔ Quad-Band GSM/GPRS Support – Works with 850/900/1800/1900 MHz networks.
✔ Supports SMS, Voice Calls, and Internet (GPRS) – Reliable wireless communication.
✔ Compact & Energy Efficient – Perfect for low-power IoT devices.
✔ Built-in TCP/IP Stack – Enables seamless internet connectivity.
✔ UART Serial Interface – Compatible with Arduino, ESP8266, Raspberry Pi, and microcontrollers.
✔ Antenna Interface – Supports external antenna for enhanced signal reception.
✔ Voltage Range: 3.4V–4.4V – Requires a stable power supply.
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