The main parameters that you need to configure will be the SIM1 or SIM2 APN password and APN username so that you will protect the device from another user to send SMS/GPRS commands to the device. | The main parameters that you need to configure will be the SIM1 or SIM2 APN password and APN username so that you will protect the device from another user to send SMS/GPRS commands to the device. |