This modem integrates GSM and GPS functionalities using SIMCom’s SIM808 module, making it ideal for projects requiring cellular connectivity and satellite navigation in one compact solution. It supports quad-band GSM/GPRS (850/900/1800/1900MHz) and provides reliable GPS positioning with high sensitivity, 22 tracking channels, and 66 acquisition channels.

The modem includes a built-in Li-Ion charging circuit and ultra-low power sleep mode, offering extended standby time—perfect for battery-powered applications. It also supports Assisted GPS (A-GPS) for improved indoor location accuracy. Communication is handled via UART using standard AT commands, enabling easy integration with microcontrollers and embedded systems.