SMD GSM Board A6 Mini Quad Band 5V SMS Audio

The Mini A6 GSM Development Board is a compact, powerful communication module designed for IoT and remote applications. This quad-band GSM/GPRS module operates on 850/900/1800/1900MHz frequencies, ensuring global connectivity. With support for voice calls, SMS messaging, and data services (up to 85.6 Kbps download speed), it provides comprehensive communication capabilities for your projects. The board features dual serial interfaces and supports standard GSM07.07, 07.05 AT commands along with AI extension commands, making it highly programmable and compatible with various microcontrollers. Operating at 5V, this module is an excellent replacement for the popular SIM800L, offering similar functionality in a compact form factor. Ideal for remote monitoring, security systems, GPS tracking, and other IoT applications where cellular connectivity is required. The board's high sensitivity (<-105 dBm) ensures reliable communication even in areas with weak signal strength.