Category:SIM7020
Quick Start Guide
- Please use a USB-serial adapter like CP2102 or FT232RL, connect 5V, GND, VTXD and VRXD.
- Must well attached the SIM card and 2.4Ghz antenna.
- Hold down the side button for 3-5 seconds until LED start to blink,.
- Now you can send AT commands via serial uart COM port.
- (USB port is NOT working for debugging, please do not connect to use it.)