Introduction - If you have any usage issues, please Google them yourself
EC20 module is driven by at command. EC20 is a LTE module with GPS function. The code realizes at command data receiving and transmitting 1. Use at + qgpscfg to configure GPS parameters. This step can be used without (using default parameters). 2. Use at + qgps to turn on GPS function, activate NMEA port to start reporting GPS NMEA data, or obtain NMEA GPS data through at command port