The Ultimate Marine Fixed Mount Radio


The M604 is the Flagship radio in Icom’s line. The loud audio, separate knobs, high grade receiver performance and a full key pad for easy, give the radio quick and reliable performance. The M604A has excellent receive specifications, which allow a weak signal a better chance of being heard when louder signals are around it.

Output power:



30W listen back hailer




Optional external GPS/NAV interface

Waterproof rating:



Large LCD

The large full dot-matrix display is designed for optimum readability in any lighting condition. With the extra large font, the channel number is maximized on the display and upper and lower case characters can be easily read. When connecting to an external GPS receiver, the GPS information indication function shows course and speed data as well as position, date and time on the display.

Position request & report

Over 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 GPS or navigation equipment*. In addition, the polling (request/ reply) function checks whether a specific ship is within the communications range.

*NMEA 0183 format is required.

Hailer capability

When connected to an external hailer horn, communication with other boats, deck or dock hands is easy. The built-in 30W amplifier increases your talk power making your message loud and clear. Four foghorn patterns are also available. The RX speaker function, receiver-repeater allows you to monitor the received radio audio from a hailer horn on the deck or tower. You can also make an announcement on-board from the microphone.

Additional features

  • Favorite channel function
  • Dual/tri-watch function for monitoring Ch.16 and/or call channel
  • 7 levels adjustable backlit display and keypad
  • Weather & alert channels
  • AquaQuake® draining function
  • Built-in ITU Class D DSC.

Additional information


Wi-Com’s Two-way Radio rental experts will collaborate with you to better understand your industry and business so we can create a custom plan designed to meet your specific business and financial objectives.