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Icom M400BB Fixed-Mount Black Box VHF Radio

  • Includes Full-Function COMMANDMIC Speaker Mic, Noise Canceling, Loudhailer
  • Voltage: 13.8 VDC, Current Draw: 5.5 A (Transmit) @ 25 W / 3.5 A (Receive)
  • Compatible with AIS Transponder (MA-500TR) and Marine Commander Nav System
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    4.95 Lbs.
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    Icom M400BB Fixed Mount Black Box VHF Radio with Remote Microphone


    • Space-saving 2-piece black box configuration is ideal for boats that need a radio but don't have room at the helm
    • Install the RF black box unit in a convenient, out-of-the-way location and connect the COMMANDMICIV™ HM-195B to the cockpit or fly bridge
    • Remote HM-195B microphone with soft-key interface controls all radio functions including DSC, radio, foghorn and hailer horn
    • Intuitive user interface with high-definition dot matrix display
    • Bottom line of dot-matrix display shows software key functions which can be toggled with the left and right buttons
    • Public address (PA) function allows you to make an announcement from the microphone like a loud speaker
    • Built-in 10 Watt amplifier increases audio output from an additional external speaker
    • Foghorn can also be emmitted from external speaker
    • Built-in bi-directional active noise cancelling reduces background noise up to 90%, improving both your transmitted voice and incoming calls
    • Built-in Class D DSC (Digital Selective Calling) watch function monitors Ch. 70 activity
      • DSC functions include distress, individual, group, all ships, urgency, safety, position request / report, polling request and DSC test calls
    • Dual / tri-watch function for monitoring Ch. 16 and / or call channel
    • Compatible with MA-500TR Class B AIS transponder which allows transmission of DSC individual calls to a selected vessel instantly without manual MMSI entry
    • IPX7 waterproof protection (radio and microphone) – submersible to depth of 1 meter for 30 minutes
    • AquaQuake™ water draining function

    Package Includes:

    • VHF marine transceiver M400BB
    • COMMANDMICIV microphone HM-195B
    • DC power cable


    • Transmitter Output Power: 25 Watts / 1 Watt
    • Receiver Sensitivity (at 12 dB SINAD): -13 dBµ typ.
    • Frequency Range:
      • Tx: 156.025 – 157.425 MHz
      • Rx: 156.050 – 163.275 MHz
      • Ch. 70: 156.525 MHz
    • Usable Channels: USA, CAN, INT, WX
    • Input Voltage:
      • 13.8 Volt DC (nominal)
      • 11.7 – 15.9 Volt DC (operating)
    • Current Draw (at 13.8 Volt DC):
      • Tx 25 Watt Output: 5.5 Amps
      • Rx max.: 3.5 Amps
    • Operating Temperature Range: -4°F to +140°F
    • NMEA In / Out Formats: RMC, GGA, GNS, GLL, DSC, DSE
    • Ingress Protection: IPX7 (submersible to depth of 1 meter for 30 minutes)
    • Mount: Flat surface
    • Dimensions: 8.5" x 3.11" x 4.92" (transceiver) / 2.66" x 5.69" x 1.46" (microphone)

    For further details see Product Data Sheet and Operating Instructions


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