Features

• Perfect match crystal clear communication
• Noise-cancelling classic RK56 CB microphone with chrome grill
• Backlit control knobs with two settings
• Squelch control eliminates background noise
• Antenna warning indicator

The original RoadKing CB with C4 perfect match crystal clear communication. The front panel has a 2.1 AMP USB Port to use and charge your portable devices and 4-pin CB microphone connector. The RK5640 features the noise-cancelling classic RK56 CB microphone with chrome grill and backlit control knobs that have two settings. The WR calibration is set to the perfect match and the RF gain reduces sensitivity to distant noise and signals that are weak. Squelch control eliminates background noise. Antenna warning indicator alerts of a problem with the antenna system.