Frequency range Tx Rx   156.025 - 157.425MHz  156.050 - 163.275MHz Usable channels USA, INT, CAN, WX channels Type of emission 16K0G3E (FM), 16K0G2B (DSC) Power supply requirement 13.8V DC ±15% Current drain (at 13.8V DC) Tx Rx   5.5A (at 25W output) 1.5A (at AF max.) Operating temp. range –20°C to +60°C, –4°F to +140°F Antenna impedance 50Ω (SO-239) Dimensions (projections not included) 164(W) × 78(H) × 139.3(D) mm 615⁄32(W) × 31⁄16(H) × 515⁄32(D)in. Weight (approx.) 1070g; 2.4lb NMEA In/out formats RMC, CGA, GNS, GLL Transmitter Output power 25W, 1W (at 13.8V DC) Modulation system Variable reactance freq. mod. Max. freq. deviation ± 5.0kHz Frequency error ± 10.0ppm (-20°C to +60°C) Spurious emissions Less than –70dBc Residual modulation More than 40dB Adjacent Ch. power More than 70dB Audio frequency response +1dB to -3dB of 6dB octave from 300Hz to 2500Hz Receiver Intermediate freq. 1st 21.7MHz, 2nd 450kHz Sensitivity 0.22µV typical at 12dB SINAD Squelch sensitivity Less than 0.22uV Adjacent Ch. selectivity More than 70dB Spurious response More than 70dB Intermodulation More than 70dB Hum and noise ratio More than 40dB Audio output power 4.5W typical at 10% distortion with a 4Ω load Audio frequency response +1dB to -3dB of 6dB octave from 300Hz to 2500Hz All stated specifications are subject to change without notice or obligation. Supplied Acessories Hand microphone, HW-150B/SW DC Power Cable Mounting bracket kit

Built-in DSC meets RTCM SC-101 Built-in DSC watch function monitors Ch 70 (DSC channel) activity, even while you are on another channel. In an emergency situation, a formatted distress call can be sent at the touch of a button. Digital Selective Calling Features DSC uses a unique ID (MMSI code) similar to a telephone number, allowing you to make contact with a specific boater or group of boaters in your area. A total of 100 address IDs can be stored with a 5-character name. Position Request and Position Report with External GPS Receiver With an external GPS receiver, the position request and position report functions allow you to exchange ships position. The received position information can be plotted on a third party GPS or other navigation equipment which accepts NMEA data format. The polling (request/reply) function checks whether a specific ship is in the communication range. New public address (PA) and RX speaker functions Use the hand microphone as part of a public address system and make an announcement on-board or to shore through an external loud speaker or hailer. The RX speaker function allows you to monitor the received audio from the loud speaker or hailer while you are on the deck or tower. New optional COMMANDMICII™ The new optional COMMANDMICII™makes it convenient for using the IC-M422 from a separate cabin or tower. It allows you to control most functions* of the IC-M422, including remote power ON/OFF, PA and RX speaker functions. *except DSC operation Force 5 Audio The front facing speaker offers loud, crisp reception that is easy to hear, even over engine or wind noise. Local function The local function turns ON the attenuator and gives you the option to reduce interference from strong stations. And More Submersible* (1m depth for 30 minutes.) *Equivalent to IPX7, except cables. Large 2-digit channel with scrolling names 7-step keypad backlighting 4-step LCD contrast Dual watch and Tri-watch functions Super white and black versions available. Simple and easy tag scanning system NOAA weather channels with alert function Low voltage indicator for low battery alert