Compact 80 Channel UHF CB radio

Compact 80 Channel UHF CB radio

The Crystal Mobile DB477A 5W Compact in-car UHF CB Radio features a full aluminium die cast chassis, 80 narrow band channels, large multi colour display and all the other features you would expect from a top quality UHF.

The DB477A's compact size along with universal mounting bracket allows for easy installation in almost any vehicle, while its large multi colour display and rotary channel select features make the radio very simple to use.

The DB477A Capable of muting car stereo when receiving and the speaker output allow's the addition of an external speaker so even in the loudest of environments, you will never miss a call.

Multicolour Display logo

SKU: DB477A Category:


Full Aluminium Diecast Chassis
5 Watt Power Output
80 Narrow Band Channels
Large Multicolour Controls and Display (7 colours)
Duplex Range Extension
Mute Out (Capable of muting car stereo when receiving)
Channel Scanning
Automatic Squelch Control
Removable Handpiece/Microphone
Rotary Channel Selector
External Speaker Ouput
Roger Beep
Call Tone


3 Year Warranty

Whats Included:
1x DB477A UHF Radio
1x DB477A Handpiece
1x Handpiece Mounting Bracket (with mounting hardware)
1x Mounting Bracket (with mounting hardware)
1.2M Power Cable (attached to main unit) (with in-line fuse holder)
2x 2AMP AGC fuses (1 in fuse holder, 1 spare)
1x User Manual

Product manual can be downloaded here.

Aerpro UHF link


Additional information

Frequency range

RX: 476.4250 ~ 477.4125MHz, TX: 476.4250 ~ 477.4125MHz

Number of channels

Max. 80

Operation mode


Channel spacing


Antenna impedance


Working temperature

–20℃ ~ 60℃

Power supply

13.8V DC±15% (11.7~15.8V)

Grounding method

Negative ground

Current drain

Less than 150mA on standby, less than 350mA on receive, less than 1.5A on transmit

Frequency stability



(W x H x D) 112 x 30 x 155 mm (Dimensions are including protrusions)


Approx. 0.8kg (including microphone)

Transmitter RF power output


Spurious and harmonics


Adjacent channel power


FM noise

40 dB

Audio distortion

Less than 5%

Receiver Sensitivity EIA 12dB SINAD


Adjacent channel selectivity




Audio Output Impedance

Audio Output at 8Ω

0.5W or higher (10% distortion)


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