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Last modified 2024-12-17

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Icom IC-M55

A picture of Icom IC-M55

SPECIFICATIONS

GENERAL
Type:Marine VHF transceiver
Frequency range: TX: 156.000-157.425 MHz
RX: 156.000-163.425 MHz
Tuning steps:Channelized
Frequency stability:0.001% @ -10 to +60°C (14 to 140°F)
Mode:FM
Channels / memory management: All US and international channels
10 NOAA WX channels (US version only)
10 user memories
RAM storage with lithium battery backup
Duplex shift / offset:Automatic according to bandplan
Power supply:13.8 VDC (2-pin connector on pigtail)
Current drain / power consumption:RX: Max 650 mA
TX: Max 5.5 A
Antenna impedance / connector:50 ohm / SO-239 (On pigtail)
Dimensions (W*H*D):140*50*163 mm (5.51*1.97*6.42")
Weight:1.3 Kg (2.86 lb)
Other features:Dual watch. Channel 16 button. Dimmer. Scanning.




RECEIVER SECTION
Receiver system: Double conversion superheterodyne
1st IF: 21.4 MHz
2nd IF: 455 KHz
Sensitivity:0.3 uV (12 dB SINAD)
Squelch sensitivity:0.4 uV (Threshold)
0.6 uV (Tight)
Selectivity:
Image rejection:
AF output power / speaker:3 W at 10% distortion / 4 ohm
External speaker connector:TS "Minijack" (3.5 mm)




TRANSMITTER SECTION
RF output power: High: 25 W
Low: 1 W
Modulation system:
Max FM deviation (Factory set):±5 KHz
Spurious emissions:Better than -70 dBc
Microphone impedance / connector:600 ohm / 7-pin
Microphone input level:? mV




MISCELLANEOUS
Manufactured:Japan, 1985-198x (Discontinued)
Additional info:
Related documents: User manual (4.2 MB)
Service manual (18.7 MB)
Modifications and fixes:
Reviews:
Options / Accessories:
HS-5 Handset kit
A rear picture of Icom IC-M55