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IC-M422

VHF Marine Transceiver

specifications

Specifications

General

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