SIM800A

The SIM800A by SIMCom Wireless Solutions Limited is a complete Dual-band GSM/GPRS solution in an SMT type package, suitable for embedding into customer applications. It operates on dual bands 900/1800MHz and is capable of transmitting voice, SMS, and data information with notably low power consumption. Its compact dimensions of 24x24x3mm make it ideal for designs with slim and compact requirements.

Key technical specifications include GPRS multi-slot class 12/10, compliance to GSM phase 2/2+, and power output classes of 2W at 900MHz and 1W at 1800MHz. The module operates within a supply voltage range of 3.4V to 4.4V and has an operating temperature range of -40℃ to 85℃. It supports GPRS data speeds up to 85.6 kbps downlink and CSD up to 14.4 kbps.

Software features include embedded TCP/UDP protocols, FTP/HTTP support, MMS, E-MAIL, and optional Bluetooth 3.0. The module offers various interfaces such as analog audio, USB, SPI (optional), and a SIM card interface supporting 3V/1.8V. Control is managed via AT commands, including SIMCOM enhanced commands.

This module is well-suited for applications requiring cellular connectivity, such as IoT devices, remote monitoring systems, and telematics. Its small size and low power consumption are advantageous for battery-powered devices.