USB to GSM is a quad-band GSM/GPRS module with stable performance and compact appearance. The working frequency of SIM800C is GSM/GPRS 850/900/1800/1900MHz, which can be used worldwide. It can realize the transmission of voice, SMS information and data information with low power consumption, which is suitable for various compact product design requirements.
Onboard SIM800C GSM/GPRS module
On-board CH340T USB-to-serial chip, simple driver installation and high compatibility
Self-elastic SIM card slot design, can use 2G/3G/4G Micro SIM cards and Nano cards of China Mobile or China Unicom
The module will automatically start up and connect to the network when it is powered on, and no button is required to control the startup.
Support SMS text message sending and receiving
Support GPRS data transmission under 2G network, which can be used in mobile meter reading and other occasions
Support Bluetooth data transmission, IEEE802.15 Bluetooth standard, 2.4GHz working frequency band
Support adaptive baud rate
It has a working indicator red LED, when there is no network, no SIM card or when the SIM card is inserted backwards, the LED light flashes quickly at intervals of 1 second, and it flashes once every 3 seconds when it is connected to the network normally