Icom M506 Fixed Mount VHF w/ Hailer, N2K, and front mic. The Icom M506 is a fixed mount VHF radio with built-in 2-way 25 Watt loudhailer/foghorn, class D DSC, and intuitive user interface. This expansive unit features NMEA 2000 and 0183 connectivity, CommandMic-IV capability and optional voice scrambler. Active noise cancelling reduces background noise up to 90% while last call voice recording automatically saves last incoming calls. With the plug-and-play functionality of NMEA 2000, the IC-M506 can easily connect to a NMEA 2000 network and interconnect with other equipment. Also the NMEA 0183 input/output can be used for external GPS/NAV interface. The Icom M506 sets the standard for marine communications. With the large 3.4" LCD, reading GPS, AIS, DSC and radio menus are easier than ever. The bottom line of the display shows the software key functions and the functions can be toggled with the left and right buttons. When connected to an external hailer horn, you can talk to people on the deck or shore from the radio?s microphone and can hear people?s reply via the hailer horn. Foghorn and RX speaker functions are also available. The optional COMMANDMIC, HM-195B/SW provides 2nd station capability for using the IC-M506 from a separate cabin or tower. Most functions including DSC and AIS functions can be controlled from the COMMANDMIC and can be used as an intercom between the IC-M506 and the COMMANDMIC. The built-in bidirectional active noise cancelling reduces background noise to up to 90% and improves both your transmitted voice and incoming call. The last call voice recording function automatically saves the last two minutes of the last incoming call. You can also start recording manually. The units is IPX8 submersible and can be fitted with an optional voice scrambler. The Icom M506 comes with a two-year warranty. Included in the box are M506 VHF radio, installation hardware and owner's manual. Product measures 7"W x 4.5"H x 4.5"D and weighs 3.1 lbs.