Query mobile phone card, identification, network problems.

1. Open the software into the AT instruction set
instruction set software of GPRS Modem

2.
Mobile phone card identification

Mobile phone card identification:
instruction set software of GPRS Modem

Card not to identify:
instruction set software of GPRS Modem, card not to identify

3.
query the network registration information

Connected to the base station
instruction set software of GPRS Modem-Connected to the base station

Not connected to the base station
instruction set software of GPRS Modem-Not connected to the base station

4.
rs232 to gprs converter

To connect to the server
instruction set software of GPRS Modem,connect to the server

Not connected to the server
instruction set software of GPRS Modem,Not connected to the server