The HDX-121BB is a Black Box version of HDX-121 to be paired with your choice of VGA compatible display. The HDX-121BB is offered complete with external GPS antenna, CMAP chart and remote control.
The HDX Series includes up to 40-hrs of recording functionality for data storage. Your seafloor data can be saved in multiple folders onto a standard USB device. There is also a rewind function for review of echosounding data. Follow edges with the onscreen hardness graph and output depth data to compatible Chartplotters including the Olex 3D Seabed Mapping Chartplotter. You can also interface your HDX-121 to a NMEA0183 compatible AIS Transponder to display up to 10 AIS targets.
HDX-121 are ideal for retrofit installations as they are designed to connect to your existing transducer. The fixed frequency Echosounders can match 50/200
