M504A VHF Rear Mic Version Black IPX8 Submersible PLUS 1.5m depth for 30 minutesThe IC M504 withstands submersion in up to 1.5m depth of water for 30 minutes. It is equivalent to the IPX8 standard. All products are rigorously checked to pass the quality test at the factory.Large LCD with dot matrix charactersThe IC M504 has a 168 charactor, full dot matrix display that allows you to easily view a variety of information, such as GPS data, DSC emergency data, etc. The large buttons and knobs provide user friendly operation.ITU Class D DSCThe IC M504 has built in class D DSC, which enables you to constantly monitor channel 70. This functionality provides users at sea with the peace of mind that they can call for help by pressing the Distress button if the need arises.Position Request and Position ReportOver and above the DSC, your own and other ships' position data can be exchanged with the position request or position report functions. The received position information can be transferred to external navigation equipment. In addition, the polling request reply function checks whether a specific ship is within the communications range. External GPS receiver and navigation equipments which accept NMEA 0183 format are required.Superior receiver performanceThe IC M504 has excellent receive specifications of 80dB typical for intermodulation rejection, adjacent channel selectivity, and 0.22fV typical high sensitivity. The IC M504's superior receiver provides excellent resistance to intermodulation and allows you to catch a weak signal between strong stations.Excellent audio output powerThe extra large speaker is mounted into a well spaced housing, producing greater sound than the specified 4.5W output power. You can get clear and loud reception without requiring repetition of the message, even over the engine or other background noise.25W hailerRX speaker and auto foghornWhen connected to a hailer horn or external speaker on the deck or tower, you can make an announcement on board from the microphone. The RX speaker function, receiver repeater, allows you to monitor the received audio. Four foghorn patterns are also available for the automatic foghorn.Rear panel microphone versionWith this version, the microphone connector is drawn from the rear panel and a 6.1m 20ft microphone extension cable is supplied to allow you clean and neat panel installation.Other features Dualtri watch function for monitoring Ch.16 andor call channel Instant access to Ch. 16 and call channel 7 levels adjustable backlit display and keypad Convenient TAG scanning function with simple adddelete Optional Voice Scrambler, UT 112 for private communication Weather channels with weather alert function
