The IC-M423G Features:

• 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 reducesvides superb performance. It reduces background noise up to 90% in the re-background noise up to 90% in the received signal and 30% in the transmitsceived signal and 30% in the transmits signal.
   
• 10W 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. The GPS data source is selectable from internal and external GPS.
   
• Optional White Backlit COMMANDMIC™ HM-195GB/GW
  The optional white backlit COMMAND- MIC makes it convenient for using the IC-M423G 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 optional MA-500TR
  When connected to the optional MA500TR 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.

And More

• Simple remote control speaker-micro phone, HM-205B/SW
• NMEA 0183 connectivity
• 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
• Supports 4-digit channels