• RoadKing RK5640 40 Channel CB Radio with USB Port and RK56NC Mic
  • RK5640.jpg
  • RK5640.jpg
  • RK5640.jpg
  • RK5640.jpg

RoadKing RK5640 40 Channel CB Radio with USB Port and RK56NC Mic

RK5640 - Blue Lights Abound! Road King radio with Road King microphone. Loaded with features. SWR meter.

  • Includes RK56 Noise Canceling Mic
  • Blue LED Backlit Control Knobs
  • Front Mounted USB Jack For Charging


Call to order RK5640

Item #: RK5640

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Roadking RK5640 Overview

New from Road King is the RK5640 CB radio. It comes prepackaged with their popular RK56 noise canceling microphone which normally sell for around $60 by themselves. The radio is compact enough to fit into most cubby holes in semi trucks. Built in SWR meter to help tune in your vehicles antenna system, and an SWR alert light to tell you if there's a problem with the antenna system. Comes with a front mounted USB jack to help charge devices such as a cell phone or bluetooth headset.

Roadking RK5640 Features

  • Front panel 2.1 Amp USB port to use and charge your portable devices
  • RK56 Noise-Canceling CB Microphone with chrome grill and button
  • Backlit control knobs with two brightness settings
  • SWR Calibration to fine tune the Perfect Match
  • RF Gain reduces sensitivity to distant noise and signals that are too weak
  • Squelch control eliminates background noise
  • Front panel 4-Pin CB microphone connector
  • Antenna warning indicator alerts of a problem with the antenna system

Roadking RK5640 Specifications

  • ModesAM
  • Frequency Range26.965 ~ 27.405 MHz
  • Length8 3/4" from back of case to bezel
  • Length10 1/4" from antenna jack to control knobs
  • Width7 5/16"
  • Height2 3/16"
  • Current Draw2 Amp
  • Microphone Pin-OutStandard 4-Pin
  • Power Connection3-Pin Standard

Roadking RK5640 Reviews

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