USB To GSM Module GSM GPRS SIM800 SIM800C Module CH340T Chip for SMS Messaging
1xUSB To GSM Module. The functions that the module can achieve Chip: CH340G. 10Pcs 5V 1A Micro USB 18650 Lithium Battery Charging Module Protection Board. 5PCS Newest Multi-function Mini Boost Module Step Up Board 5V/8V/9V/12V 1.5A LED.