Note: In foreign regions, a 2G network (GSM and GPRS) module is required for normal use.

Specification:

：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

Product Instructions:

：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 is started, 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.

Package Contents:

：Module X1

Only the above package content, other products are not included.

Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.