SIM800A GSM GPRS Module

The SIM800A is a quad-band GSM/GPRS module from SIMCom, designed for low-power, embedded wireless communication. It supports voice, SMS, and GPRS data transmission via standard AT commands. This compact module is ideal for IoT, telemetry, remote monitoring, and embedded applications where 2G connectivity is sufficient. It offers a rich set of interfaces including UART, audio, SIM card interface, and GPIOs, making it easy to integrate into various embedded platforms.

Features

• Quad-band GSM/GPRS (850/900/1800/1900 MHz)

• Supports voice, SMS, and GPRS data transmission

• Standard AT command interface (3GPP TS 27.007, 27.005)

• Embedded TCP/IP stack

• Supports DTMF, MMS, and FM (optional)

• Audio support for microphone and speaker interfaces

• Compact SMT package suitable for PCB mounting

• Low power consumption with sleep mode support

• Integrated SIM card interface

• Wide operating temperature and voltage range