USB to GSM module with Bluetooth function CH340T sim800c Module 4-bands GSM/GPRS
1. Using high-quality materials, the quality is guaranteed
2.USB to GSM is a quad-band GSM/GPRS module
3. Stable performance, integrated USB to serial port chip, directly plugged into the computer to debug
4. The working frequency of SIM800C is GSM/GPRS 850/900/1800/1900MHz, which can be used worldwide, and can realize the transmission of voice, SMS information and data information with low power consumption, which is suitable for the design requirements of various compact products
5. Delicate and compact appearance
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 from China Mobile or China Unicom
When the module is powered on, it will automatically start up and connect to the network, without the need for buttons to control the startup.
Support SMS text message sending and receiving
Support GPRS data transmission under 2G network, 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 at intervals of 1 second, and flashes once every 3 seconds when it is connected to the network normally
Connect the 2.4GHz GSM antenna to the module, insert the SIM card (Note: Support Micro/Nano card, support China Mobile or China Unicom mobile phone 2G/3G/4G card, but do not support 3G/4G network, do not support telecom card), insert To the USB port of the computer, you need to install the serial port driver of CH340 when using it for the first time. After the module starts, the indicator light flashes once every 1 second at the beginning, and after a period of initialization, the indicator light flashes once every 3 seconds, and the module starts to work normally. Then you can control the SIM800C module through AT commands.
Module X1
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