This is a Mini A6 GSM Development Board With GPRS Quad-Band SMS Audio Board 5V Replace SIM800L. Mini A6 GSM is a great development board for cellular and remote monitoring applications. With it, Anyone can easily monitor and control your home from anywhere there is cell phone coverage with your GSM cellular account. Insert any GSM SIM card and start accessing this board remotely over the cellular network.
 
This Module supports GPRS Data Services and Data services with the maximum download speed of 85.6 Kbps and Upload Speed of 42.8 Kbps. It is comfortable with 2G,3G,4G mobile sim Card and supports GSM07.07,07.05 AT, and Ai Thinker extension commands.