ICOM M422 VHF Marin transceiver

Item: M422
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Contents of the package


IC-M422 Built-in DSC meets RTCM SC-101
Built-in DSC watch function monitors Ch 70(DSC channel) activity, even while you are receiving
another channel. In an emergencysituation, 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 toa telephone number, allowing you to make
contact with a specific boater or group ofboaters in your area. A total of 100 address
IDs can be stored with a 5-character name.

Position Request and PositionReport with External GPS Receiver
With an external GPS receiver, the positionrequest and position report functions allow
you to exchange ships position. The receivedposition information can be plotted on a third
party GPS or other navigation equipmentwhich accepts NMEA data format. The polling
(request/reply) function checks whether a specificship is in the communication range.

New public address (PA) andRX speaker functions
Use the hand microphone as part of a publicaddress system and make an announcement
on-board or to shore through an externalloud speaker or hailer. The RX speaker
function allows you to monitor the receivedaudio 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 controlmost functions* of the IC-M422, including
remote power ON/OFF, PA and RX speakerfunctions. (*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
• Dualwatch 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


Frequency range
: Tx 156.025–157.425MHz
Rx 156.050–163.275MHz
• Usable channels : USA, CAN, INT, WX channels
• Type of emission : 16K0G3E (FM), 16K0G2B (DSC)
• Power supply requirement : 13.8V DC ±15%
• Current drain : Tx 5.5A (at 25W output)
(at 13.8V DC) Rx 1.5A (at AF max.)
• Operating temp. range : –20°C to +60°C ; –4°F to +140°F
• Antenna impedance : 50O (SO-239)
• Dimensions (WΧHΧD) : 164Χ78Χ139.3mm;
(projections not included) 615/32Χ31/16Χ515/32 in.
• NMEA In/out formats : RMC, GGA, GNS, GLL


        • Output power : 25W, 1W (at 13.8V DC)
• Modulation system : Variable reactance freq. mod.
• Max. freq. deviation : ±5.0kHz
• Frequency error : ±10ppm (–20°C to +60°C)
• Spurious emissions : Less than –70dBc
• Residual modulation : More than 40dB
• Adjacent Ch. power : More than 70dB
• Audio frequency : +1dB to –3dB of 6dB octave
response from 300Hz to 2500Hz

• Intermediate freq. : 1st 21.7MHz, 2nd 450kHz
• Sensitivity : 0.22΅V typical at 12dB SINAD
• Squelch sensitivity : Less than 0.22΅V
• Adjacent Ch. selectivity: More than 70dB
• Spurious response : More than 70dB
• Intermodulation : More than 70dB
• Hum and noise : More than 40dB
• Audio output power : 4.5W typical
at 10% distortion with a 4O load
• Audio frequency : +1dB to –3dB of –6dB octave
response from 300Hz to 3000Hz

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

Item number: M422
UPC: -
Package weight: 3.4 lb