the nmea (dsc) interface is necessary when the r&s®m3sr series4100 transceiver systems are used to forward distress calls that are located by an external gmdss monitoring and communications system. the nmea interface can be added to the r&s®xk4115a/d 150 w transceiver or the r&s®gx4100a/d exciter for the 500 w and 1000 w transceiver systems.
key facts
the nmea (dsc) interface is necessary when the r&s®m3sr series 4100 transceiver systems are used to forward distress calls that are located by an external gmdss monitoring and communications system.