Intuitive User Interface and White Backlit LCD and Keypad
Incorporating Icom's common Marine Family User Interface 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
The built-in active noise cancelling provides superb performance. It reduces background noise up to 90% in the received signal and 30% in the transmits signal.
10W Loud Audio, Public Address and Foghorn
The IC-M423GE has a built-in 10W 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. The GPS data source is selectable from internal and external GPS.
Optional White Backlit COMMANDMIC™ HM-195GB/GW
The optional white backlit COMMANDMIC makes it convenient for using the IC-M423GE from a separate cabin or tower. All functions of the IC-M423G can be controlled from the COMMANDMIC and can be used as an intercom with the IC-M423G.
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 an MMSI number.
Other features
| Frequency Range | TX 156.000–161.450MHz - RX 156.000–163.425MHz |
| Number of Channels | International marine channels |
| Operating Temperature Range | –20°C to +60°C |
| Dimensions | 180×82×119.9mm |
| Weight | 1.2kg |
| RF Output Power | Hi: 25W, Low: 1W |
| Receiver Sensitivity | Main –5dBμ emf typ. (20dB SINAD) / DSC–4dBμ emf typ. (1% BER) |
| Audio Output Power | More than 2W (at 10% distortion, 4Ω load) |
| Water & Dust Protection | IPX7 (Waterproof protection) |
 | HM-205B Speaker microphone |
 | SP-37 Horn Speaker |
 | MB-132 Flush mount kit |
 | MA-500TR Class B AIS Transponder |
 | OPC-1541 Commandmic 6.1m (20ft) extension cable. Up to two cables available. |
 | HM-195B Commandmic - Secondary remote control microphone (Black) |
| | HM-195SW Commandmic - Secondary remote control microphone (White) |
