Icom IC-M423G #35 Nero

Icom IC-M423G #35 Nero

Icom IC-M423G #35 Nero

Feature Rich, Simple to Use, Icom Sets Another Benchmark

New Intuitive User Interface

  The new menu system provides easy and intuitive operation. The bottom line of the dot-matrix display shows the software key functions which can be toggled with the left and right buttons. The directional keypad allows you to perform various operations and settings.

Active Noise Cancelling

The built-in bidirectional active noise cancelling reduces background noise to up to 90% and improves both your transmitted voice and incoming call. Hear and be heard more clearly.

10W Loud Audio, Public Address and Foghorn

The IC-M423 has a built-in 10W amplifier that increases the audio output from additional external speaker. The public address function allows you to make an announcement from the microphone like a loud speaker, and the foghorn can also be emitted from the additional external speaker.

Built-in Class D DSC (Meets ITU-R M493-13)

The built-in DSC watch function monitors Ch. 70 (DSC channel) activity, even while you are receiving another channel. DSC functions include: distress, individual, group, all ships, urgency, safety, position request/report, polling request and DSC test calls.

Optional COMMANDMIC™ HM-195B/SW for 2nd Station/Intercom

The optional COMMANDMIC, HM-195B/SW makes it convenient for using the IC-M423 from a separate cabin or tower. All functions of the IC-M423 can be controlled from the COMMANDMIC and can be used as an intercom with the IC-M423.

Common NMEA Interface

When connected to an external GPS receiver, current position and time are shown on the IC-M423's display. When receiving position information from another vessel, the IC-M423 can transfer it to a navigational device via NMEA 0183 connectivity.

AIS Target Call with MA-500TR

When connected to the optional MA-500TR Class B AIS transponder, the AIS target call function allows you to make an individual DSC call without having to manually input a MMSI number.

Other features

  • MarineCommander™ compatible
  • AquaQuake™ draining function
  • IPX7 waterproof protection (1m depth for 30 minutes)
  • Dual/tri-watch function for monitoring Ch.16 and/or call channel
  • Priority and normal scan
  • Black and super white versions available

Applicable IP Rating

Ingress Protection Standards
IPX7 (Waterproof protection)

All stated specifications are subject to change without notice or obligation.


Frequency range Tx 156.000–161.450MHz
Rx 156.000–163.425MHz
Power supply requirement 13.8V DC nominal
(10.8–15.6V DC)
Dimensions (W×H×D)
(Projections not included)
180×82×119.9 mm
Weight 1.2kg
Current drain Transmit (High) 5.5A
Max. audio output 5.0A (External speaker)
Sensitivity Main −5dBμ emf typ. (20dB SINAD)
DSC −4dBμ emf typ. (1% BER)
Intermodulation rejection Main More than 68dB
DSC More than 68dBμ emf (1% BER)
Audio output power (10% dist. /4Ω load) More than 10W (Ext. speaker)
RF output power 25W, 1W

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