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Last modified 2024-12-23

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Icom IC-M424

A picture of Icom IC-M424

SPECIFICATIONS

GENERAL
Type:Marine VHF transceiver
Frequency range: USA and Australia
TX: 156.025-157.425 MHz
RX: 156.050-163.275 MHz
Tuning steps:Channelized
Frequency stability:±1.5 KHz @ -20 to +60°C (-4 to +140°F)
Mode:FM
Channels / memory management: All US, Canadian and international channels
1 call
10 NOAA weather channels
Alpha tags
Duplex shift / offset:Automatic according to bandplan
Power supply:13.8 VDC
Current drain / power consumption:RX: Max 5 A?
TX: Max 5.5 A
Antenna impedance / connector:50 ohm / SO-239
Dimensions (W*H*D):180*82*135 mm (7.1*3.2*5.3")
Weight:1.2 Kg (2.6 lb)
Other features: Channel 16 button. DSC class D. Dual/triwatch. Scanning. Softkeys.
PA. Horn. Intercom. AquaQuake water draining. Dimmer. Weather alert.
GPS option (NMEA input).




RECEIVER SECTION
Receiver system: Double conversion superheterodyne
1st IF: ? MHz
2nd IF: ? KHz
Sensitivity:-13 dBu (12 dB SINAD)
Squelch sensitivity:Less than -10 dBu (Threshold)
Selectivity:70 dB (Adjacent channel)
Image rejection:
AF output power / speaker:10 W at 10% distortion / 4 ohm
External speaker connector:




TRANSMITTER SECTION
RF output power: High: 25 W
Low: 1 W
Modulation system:Variable reactance frequency modulation
Max FM deviation (Factory set):±5 KHz
Spurious emissions:Better than -70 dBc
Microphone impedance / connector:? ohm / ?
Microphone input level:? mV




MISCELLANEOUS
Manufactured:Japan, 2014-201x (Discontinued
Additional info:
Related documents: User manual (5.8 MB)
Service manual (4.3 MB)
Modifications and fixes:
Reviews:
Options / Accessories:
HM-195
HM-196
MA-500TR
MB-132
OPC-1541
CommandMicIV (Controller mike)
Speaker-microphone
Class B AIS transponder
Flush mount kit
Microphone extension cable for HM-195. 6 m (20 ft)