GPS模块的AT指令集

AT+CPIN?

查询sim卡状态.

接着:

AT+CGCLASS="B"
AT+CGDCONT=1,"IP","CMNET"
AT+CGATT=1
AT+CIPCSGP=1,"CMNET"

AT+CLPORT="TCP","2000"

AT+CIPSTART="TCP","120.25.76.67","9999"

AT+CIPSEND

>

最后发送16进制的1a, 就开始发送, 测试是成功的.