⚙️ SIM800 Quad-Band GSM/GPRS Module ? کاربرد: ماژول GSM SIM800 ? مشخصات: ✅ Support up to 5*5*2 Keypads.
✅ One full function UART port, and can be configured to two independent serial ports.
✅ One USB port can be used as debugging and firmware upgrading.