|455
UHF CB Transceiver

5W

Output Power

Seven-Colour
Backlight

Loud, Clear & Easy-to-Use
5 Watt RF Output Power
5 Watts (High) and 1 Watt (Low) selectable output power.

Noise Reduction &Auto Volume Control

IP54

Water & Dust
Protection

Voice Recorder &Instant Play Back

AutomaticVoltage Detection

Clear
DynamicGroup Scan

Audio
OutputSeven-Colour Backlight LCD
The colour of the LCD Screen can be changed to reflect the operating status. Different colours
can be assigned to channels, and colours can be set to indicate when scanning or transmitting.

Noise Reduction, Audio Equalizer & Voice Changer
The Noise Reduction reduces background noise from both transmit and receive audio.

Voice Recorder & Instant Play BackCan record up to 10 messages of 30 seconds each, for a total of 5 minutes.

Supports Both 12 V/24 V DC Power Sources
Accepts a 12/24 V DC power source and it is suitable for most types of cars and trucks.

Dynamic Group Scan for Keeping Group Communication
Using a CTCSS or DTCS tone, this function finds an open channel for group communicaton.

Loud Speaker-Microphone with Auto Volume Control
The microphone monitors ambient noise levels and automatically adjusts the audio level.

MADE IN JAPAN

IP54 Water Resistance & Dust Protection

|455

UHF CB Transceiver■ Specifications
General• Frequency coverage
CB:RX:• Mode:• Number of channels:• Antenna impedance:• Input impedance (MIC):• Output impedance (Audio):• Intermediate frequency:• Operating temperature range:• Power supply voltage:

476.425–477.4125 MHz
400.000–520.000 MHz (RX only)
8K50F3E
Max 256 channels/8 banks
50 Ω600 Ω4Ω
1st 49.95 MHz, 2nd 450 kHz–10°C to +60°C
13.8 or 27.6 V DC nominal(Negative ground)• Current drain with HM-244:
13.8 V DC:
27.6 V DC:
RX stand-by
500 mA
300 mA (approx.)
RX Maximum audio
1500 mA
1000 mA (approx.)
TX (5 W output)
3000 mA
1500 mA (approx.)• Dimensions: (Projections not included)
Main unit
125 (W) × 29 (H) × 160 (D) mm
HM-24462.1 (W) × 101.5 (H) × 30.5 (D) mm• Weight (approximately):
344 g (Main unit)
535 g (Main unit with HM-244)

Transmitter

Receiver[CB (476.425–477.4125 MHz)]• Sensitivity (12 dB SINAD):
0.22 µV typical• Squelch sensitivity:
0.2 µV typical (Threshold)• Hum and noise:
48 dB typical• Intermodulation rejection ratio:
72 dB typical• Spurious response rejection ratio: 80 dB typical• Adjacent channel selectivity:
68 dB typical• Conducted spurious radiation:–57 dBm max. (9 kHz–1.0 GHz)
–47 dBm max. (1.0 GHz–4.0 GHz)
• Audio output power:
5.0 W max. at 10% distortion
with 4 Ω load
• Audio frequency response:+2 dB to −8 dB of 6 dB/octave from300 Hz to 2550 Hz[RX (400.000–520.000 MHz)](Except CB (476.425–477.4125 MHz))• Sensitivity (12 dB SINAD):• Hum and noise:• Conducted spurious radiation:• Audio frequency response:

0.25 µV typical
45 dB typical–57 dBm max. (9 kHz–1.0 GHz)
–47 dBm max. (1.0 GHz–4.0 GHz)
+2 dB to –8 dB of 6 dB/octave
from 300 Hz to 2550 Hz• Output power:
5 W/1 W (selectable)
Variable reactance frequency modulation• Modulation system:±2.5 kHz• Max. frequency deviation:±2.5 ppm• Frequency stability:–30 dBm max. (5 W: 67 dBc)
• Spurious emissions:–16 dBm max. (5 W: 53 dBc)
• Adjacent channel power:
1% typical (60% deviation)• Audio harmonic distortion:
40 dB typical• Residual modulation:• Limiting characteristic of modulator: 70 to 100% of maximum deviation

Measurements made in accordance with AS/NZS 4365-2011 (R2016),
AS/NZS 4295:2015. All stated specifications are subject to change
without notice or obligation.

■ Other Features■ Options• 400–520 MHz wide receiver coverage (unencrypted analogue mode)• Selcall function and CTCSS/DTCS code
• 5 Scan types (Open, Group, Priority, Repeater and Dynamic Group)• 80 channels per second high speed scan
• 256 memory channels (Including CB 80 channels, and RPT 16 channels)• Voice Guidance function announces channel type and number• PC programmable

Supplied accessories:• Speaker-microphone, HM-244• Mounting bracket for Main unit

• DC power cable• Microphone hangerCable• OPC-2355 EXTENSION CABLE
2.5 m microphone extension cable.

External Speaker• SP-35 EXTERNAL SPEAKER
Compact and easy to install.

Programming Software• CS-455 PROGRAMMING SOFTWARE + OPC-1122U USB PROGRAMMING CABLE
Allows setting adjustment via PC (Windows® only.)Icom, Icom Inc. and the Icom logo are registered trademarks of Icom Incorporated (Japan) in Japan, the United States, the United Kingdom, Germany, France, Spain, Russia,Australia, New Zealand and/or other countries. Windows is either a registered trademark or trademark of Microsoft Corporation in the United States and/or other countries.
All other products or brands are registered trademarks or trademarks of their respective holders.

1-1-32, Kamiminami, Hirano-ku, Osaka 547-0003, Japan Phone: +81 (06) 6793 5302 Fax: +81 (06) 6793 0013

www.icomjapan.com

Your local distributor/dealer:Unit 1 / 103 Garden Road, Clayton, VIC 3168, Australia
Phone: +61 (03) 9549 7500
Fax:+61 (03) 9549 7505
E-mail: sales@icom.net.au
URL: http://www.icom.net.au

21XAZ5060© 2021 Icom Inc.

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