Common Commands

In this section, you'll learn some common commands to setup modules:

• ATI: query brand, model anf firmware version;

• AT+CIMI: query the number of SIM card;

• AT+CPIN?: query the number of SIM card;

• AT+QGPS?: query the status of GPS but it's necessary to connect GPS antenna;

• AT+QGPSLOC?: query GPS location but it's necessary to connect GPS antenna;

• AT+CSQ: query signal value;

• AT+QGPS=1: send command to enable GPS because by default or powered off it's disabled;

• AT+QGPS=0: send command to disable GPS;

• AT+CFUN=1,1: send command to reboot the module;

• AT+QPRTPARA=3: send command to restore it to the default factory settings;

• AT+CGDCONT?: send command to read PDP context

• AT+CGDCONT=<cid>[,<PDP_type>[,<APN>[,<PDP_addr>[,<data_comp>[,<head_comp>]]]]]: send command to define PDP context with APN;