1.In the 2kHz bandwidth simultaneously transmit two independent protection command.
2.Carrier frequency range: 30-535kHz band, is selectable for FSK or ON/OFF operating modes, parameter settings are programmable.
3.Receive and transmit frequency Tx and Rx automatic calibration.
4.Automatic measurement to the reflectivity of transmission path Tx, recording events chronologically, synchronous clock interface.
5.Redundant power supply and frequency amplifier.
