Icom M400BB VHF Marine Black Box Radio with White Command Mic FWGCSHOE3 And the 235 kHz sensor

And the 235 kHz sensor operating frequency helps prevent mutual interference with other echosounder devices on the vessel

Prop Nut 11-54034

(5) 8A Single Pole Circuit Breakers

Correlation Speed Sensor Transmitting Frequency: 4

and others with pouring fused connections

Icom M400BB VHF Marine Black Box Radio with White Command Mic FWGCSHOE3 And the 235 kHz sensorM400BB VHF Marine Black Box Radio w White Command Mic Black Box Transceiver When Space Is At A Premium Icom's M400BB is a VHF fixed mount with Class D DSC. The M400BB is a spacesaving unit, ideal for owners of compact boats and shipbuilders looking for a black box solution. The M400BB comprises only a black box main body and a supplied COMMANDMIC HM195 remote control microphone accessory. The two piece radio set can easily be installed behind a wall