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
