1 Bewicke St, Wallsend, NE28 6SR



RRP £274.99 excl. VAT

The IC-M423GE is ideal for customers who are looking for a compact radio for their boat with advanced functions and dual station control.  The radio features built-in active noise cancelling technology that provides superb audio performance.

The optional COMMANDMIC allows you to control all the functions of the IC-M423GE as well as being able to be used as an intercom with the radio.

Intuitive User Interface and White Backlit LCD and Keypad

Incorporating Icom’s common Marine Family User Interface, the IC-M423GE has been designed for simple, intuitive operation.  A rotary selector and directional keypad provide quick and easy access to the intended functions. The high contrast white backlit LCD and laser-cut keypad match well with modern boat designs.

Active Noise Cancelling Technology

The built-in active noise cancelling technology provides superb performance.  It reduces background noise up to 90% in the received signal and 30% in the transmits signal.

10 W Loud Audio, Public Address and Foghorn

The IC-M423GE has a built-in 10 W amplifier that increases the audio output to an external PA speaker. The public address function allows you to make an announcement from the microphone like a loud speaker, the foghorn can also be emitted from the external PA speaker.

Built-in Class D DSC

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.

Built-in GPS Receiver

The built-in GPS receiver shows your current position, date/time and can be used for DSC calls.

Optional White Backlit HM-195GB/GW COMMANDMIC™

The optional white backlit COMMANDMIC allows you to use the IC-M423GE from a separate cabin or tower. All functions of the IC-M423GE can be controlled from the COMMANDMIC.  The HM-195GB/GW COMMANDMIC can also be used as an intercom with the IC-M423GE.

AIS Target Call

When connected to an optional MA-510TR/MA-500TR Class B AIS transponder, the AIS target call function allows you to make an individual DSC call without having to manually input an MMSI number.

Other Features
  • Comes as standard with HM-205B/SW remote control speaker-microphone
  • NMEA 0183 connectivity
  • AquaQuake™ draining function
  • IPX7 waterproof protection
  • Dual/tri-watch function
  • Priority and normal scan
  • Black and super white versions available
  • Supports 4-digit channels
  • Meets ITU-R M493-14 specifications
  • This product comes complete with a simple plastic flush mount kit. Stainless steel flush mount kits are available as an option.


Frequency range

Marine channels

VHF (TX 156.0000 – 161.4500 MHz, RX 156.0000-163.4250 MHz) (RX CH70 – 156.5250 MHz)

Power output


Programmable buttons

4 front panel soft keys (programmable)

Emergency button

Yes, referred to as a distress button on the front of the radio


Yes, for common feature access,  Menu, Vol/Sql, 16/C, Fav, soft keys


Excellent screen size, high contrast and full dot-matrix LCD aids readability and large character size



Dimensions H x W x D

82mm x 180mm x 119.9mm


System types

Conventional analogue marine band, instant access to channel 16 or a programmable call channel.  DSC capable, integrated GNSS receiver.

Scan types

Dual and Tri-watch functions

Call types

Standard PTT calling

Speech Encryption


User Environment

Special Function(s)

AquaQuake draining function, DSC capable, AIS Target Call with MA-510TR, Class D DSC, the GPS receiver provides your location and speed by using data from the GPS, GLONASS and SBAS.  The acquired position information can be used for DSC calls.

IP Rating

IPx7, (1.0m depth of water for 30mins).


Standard warranty

1 years

Service Level Agreement (SLA)

Please see our comprehensive SLA options.  SLA’s are normally customised to a customer’s needs and not to ours.


What we think

Jason from Service Team: “A great small DSC radio, good price point with a great dual station setup (with additional accessories).  Good and easy to use GUI for users.  Lots of great features as standard, hard to beat.”

ICOM IC-M423GE Leaflet


ICOM IC-M423GE Manual


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