ICOM IC-M422 Marine VHF Radio 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. ICOM IC-M422 Marine VHF Radio with 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.
ICOM IC-M422 Marine VHF Radio 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.
ICOM IC-M422 Marine VHF Radio with 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
ICOM IC-M422 Marine VHF Radio features 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 ICOM IC-M422 Marine VHF Radio Features
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
General ICOM IC-M422 Marine VHF Radio Features
Frequency range
Tx
Rx
156.025 - 157.425 MHz 156.050 - 163.275 MHz
Usable channels
USA, INT, CAN, WX channels
Type of emission
16K0G3E (FM), 16K0G2B (DSC)
Power supply requirement
13.8V DC ñ15%
Current drain (at 13.8V DC)
Tx
Rx
5.5A (at 25W output)
1.5A (at AF max.)
Operating temp. range
¨20øC to +60øC,
¨4øF to +140øF
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
ICOM IC-M422 Marine VHF Radio Transmitter
Output power
25W, 1W (at 13.8V DC)
Modulation system
Variable reactance freq. mod.
Max. freq. deviation
ñ 5.0 kHz
Frequency error
ñ 10.0ppm (-20øC to +60øC)
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 300 Hz to 2500 Hz
ICOM IC-M422 Marine VHF Radio Receiver
Intermediate freq.
1st 21.7 MHz, 2nd 450 kHz
Sensitivity
0.22æV 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 2500 Hz
All stated specifications are subject to change without notice or obligation.
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