GSM-DKEY is specially designed for gate and electric door opener controller.GSM-DKEY can work with two SIM card online.This app is used to config and send the SMS to program the GSM-DKEY device.
GSM-DKEY is specially designed for gate and electric door opener controller.GSM-DKEY can work with two SIM card online.This app is used to config and send the SMS to program the GSM-DKEY device.