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Retevis MB3A 40-Channel AM/FM CB Radio Kit, Long Range Radio with Antenna

  • Based on 92 reviews
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Availability: In Stock.
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Arrives Thursday, Oct 29
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Set name: MB3A-With Antenna


Features

  • Professional CB radio; AM/FM dual mode, whether it is long distance or clear communication; it can meet your needs on various occasions include emergency
  • Long range; Equipped with an antenna to expand the communication distance; with simple installation steps; you can listen to interesting programs and make your journey full of fun
  • Practical CB kit; Optional 12V and 24V power voltages; whether car or truck; this cb radio can easily adapt; convenient charging; built-in cigarette lighter powers phones or dash cams
  • Loud and clear sound quality; ASQ/SQ reduces noise interference when in standby mode; ANL effectively reduces engine and wind noise when driving at high speed; NB can maintain signal clarity and stability when starting the engine
  • Small and compact; No matter how big or small the space in your drivers cabin is; you only need a small nook or cranny and a few simple steps to install this mini cb radio
  • Clear and large display; large orange fonts are easy to read and eye-friendly; reducing the chance of visual fatigue and making communication easier while driving
  • Hands-Free Operation; VOX function lets you talk without pressing buttons; so you can keep focus on driving and road conditions
  • Reliable Performance; the heat sink can effectively reduce the temperature of the CB radio during operation; preventing call interruption caused by overheating; effectively extending the service life of MB3A
  • Safety protection; Whether it is a trip or long-distance freight transportation; the emergency alarm device can add a sense of peace of mind your journey; making your friends and families less worried

Description

Equipped with AM and FM dual mode, you can conveniently communicate with partners over a distance or communicate with those who are close to you with clear sound quality. With 34-level squelch, 9-level squelch, noise blanker, and auto noise limiter functions, CB radio offers clear communication in a noisy environment. CB radio is compatible with different kinds of vehicles due to 2 optional power voltages, increasing the convenience of operations. With heat dissipation function, you won't worry that the CB radio affects use for overheating, ensuring durability and lasting. Emergency channel 9 is used to seek help in accidents and other emergencies. Emergency channel 19 is used for traffic jams or other daily information communication. EMG 9/19 meets different occasions' use. Mobile CB radio supports a 9-level VOX function, which allows you to transmit directly without pressing the PTT key. It is a good helper for increasing communication efficiency without missing information while driving. Is this CB radio easy to install in a compact vehicle dashboard or console? Yes,It has compact size(5.51*6.49*1.6in),so no need to worry about the cramped driver's cab.It comes with everything you need—magnetic antenna with a 5-meter coaxial cable,cigarette lighter plug,mounting bracket,and hardware—so it's plug-and-play. Does this CB radio support both 12V and 24V power systems for trucks and cars? Yes, MB3A compatible with 12/24V voltage systems, suitable for most standard vehicles, long haul trucks, jeeps, vans, off-road rigs, and recreational vehicles. Looking for AM, FM, and PA in one CB radio? What can MB3A do for you? The MB3A supports AM, FM, and PA modes. AM/FM enable two-way CB communication. PA mode sends mic audio to an external speaker for outdoor announcements. Perfect for drivers, campers, and off-roaders who need more than just talk. Tired of noisy CB chatter? How does MB3A give you crystal-clear sound? The MB3A uses Squelch (SQ) / Auto Squelch (ASQ) knob to cut background hiss. plus a Noise Blanker to eliminate engine ignition clicks and pulse interference. Together they deliver clean, quiet audio—whether you’re on the highway or off the grid How should you calibrate the antenna's VSWR for first-time use? First ground antenna to vehicle metal. Use SWR meter: measure SWR on ch40 & ch1. If higher on ch40, shorten antenna. If higher on ch1, lengthen antenna. Repeat until SWR is acceptable on both (ideally below 2:1). CB mobile radio has compatibility with dynamic and condenser (included) speaker mics through the detachable 6-pin connector, meeting various needs. You can read the channel information and function settings day and night. The 3-level adjustable design makes the CB mobile radio easy to use. The function effectively helps you stay connected with partners without worrying about changing channels and losing important information. 6 roger beeps offer more options for you to remind the other when finishing transmitting for higher communication efficiency. Multi-level Noise Reduction, Mini Size, 7-Color Screen CB Radio with Magnetic Antenna, Easy to Install AM/FM/PA, ANL Noise Reduct, Channel 9/19,Sturdy Front-facing speaker Flexible installation methods-DIN or mounting bracket Clear sound quality & Easy-to-read screen 12V&24V&Cigarette lighter plug We rely on rich and successful scenarios application cases to solve your instant communication management problems of various enterprises efficiently. We keep positively interacting and co-create with our amateur users , to provide you with the ultimate sense of engagement. We provide satisfying products and services, so that consumer users could enjoy themselves, and ensure that every communication is always reachable and smooth. RETEVIS, derives from REdefine TElecommunications VIsion Signpost. We are a global communication technology demand customization developer. Product planning and R&D capabilities is based on customers’ needs Omni-channel brand marketing and fast-response professional services Supply chain system is efficient and controllable International process-operation capability We are committed to the application scenarios of communication technology , to redefine radio communication. Make communication easier

Brand: Retevis


Color: Black


Number of Channels: 40


Special Feature: Automatic Squelch, Lightweight, Long Range, Noise Reduction, Voice Operated Transmission


Frequency Range: 26.965 MHz - 27.405 MHz


Voltage: 24 volts_of_direct_current


Water Resistance Level: Not Water Resistant


Product Dimensions: 51"D x 6.5"W x 1.6"H


Included Components: 1X MB3A CB radio & microphone,Antenna,Stop pad,Spare fuse, Speaker microphone bracket, 1X main brackets, bracket knob , screw,User Manual See more


Noise Level: 40 db


Number of Channels: 40


Additional Features: Automatic Squelch, Lightweight, Long Range, Noise Reduction, Voice Operated Transmission


Frequency Range: 26.965 MHz - 27.405 MHz


Voltage: 24 volts_of_direct_current


Water Resistance Level: Not Water Resistant


Audible Noise: 40 db


Compatible Devices: External speakers, external antennas, microphones, CB radios using the same frequency band


Tuner Type: AM/FM


Item Dimensions D x W x H: 51"D x 6.5"W x 1.6"H


Color: Black


Item Highlight: Small & Easy to Install, 12V/24V Cigarette Lighter, Emergency Channel 9/19, PA, Noise Limiter, Cooling System


Brand: Retevis


Model Number: MB3A


Built-In Media: 1X MB3A CB radio & microphone,Antenna,Stop pad,Spare fuse, Speaker microphone bracket, 1X main brackets, bracket knob , screw,User Manual


Unit Count: 1 Count


Number of Packs: 1


Manufacturer: Retevis


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Thursday, Oct 29

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

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Top Amazon Reviews


  • Just right for a beginner
Set name: MB3A-With Antenna
This little guy has been installed for about two months now, if not a little longer. Pros: Easy interface, compact enough to fit anywhere, and quality is excellent. Cons: (This is more of a personal issue because I live so far out in the boonies) Have only heard communications on this radio twice. Both were clear. I don't know about sending messages - I've never kept a signal long enough to try. The antenna needs to be mounted on your roof. That's probably most of the issue. I'd honestly buy this again if needed! Fits my rig perfectly. Great starter radio. ... show more
Reviewed in the United States on May 11, 2026 by Laura Clark

  • Excellent Radio
Set name: MB3A-With Antenna
Excellent radio. Good quality Clear signal.
Reviewed in the United States on January 25, 2026 by Pieter

  • This Retevis MB3A CB Radio AM band won't transmit out. Don't buy it.
Set name: MB3A-With Antenna
This Retevis MB3A CB Radio is a RIPOFF! First off there were no specific DC Power Adapter information other than 12V it never said what type so I bought a $5 DC power adapter 2A. The AM band wasn't transmitting out. Then come to find out I needed a 12V 10A. So I ordered that as I was refunded for the DC power adapter. Once I get it I plugged it in I am still having the same issue of transmitting out on AM. FM band is loud and clear however the AM band was extremely low and popping I couldn't hear myself as I used a Tidradio H3 as a receiver that I had set to ch 9 and 19. I wouldn't recommend on buying this specific CB Radio. I had it for over a week and going back and forth with customer service I just about had it. Going to return the entire CB Radio and antenna. Not worth the money. ... show more
Reviewed in the United States on August 13, 2026 by Jake

  • Compact unit, good for the jeep
Set name: MB3A-Without Antenna
Wanted to add a CB in my jeep but the ol cobras take up a city block. This thing is as small as the 25w btech gmrs radio I have next to it. Made the install pretty clean. As far as function, it's a basic CB. Works like it should.
Reviewed in the United States on December 29, 2025 by SB

  • Ok product. Useful if close by
Set name: MB3A-With Antenna
This is suposta be a long range radio and is not. We attempted to use this past weekend and when our people got away from us, we could not connect even after connecting together while at camp. The sound is very crackling and is not clear.
Reviewed in the United States on August 19, 2025 by Paula Bierman

  • Excellent value
Set name: MB3A-Without Antenna
Perfect and i will be buying again
Reviewed in the United States on May 22, 2026 by Humantruck

  • Barebones and it does work
Set name: MB3A-With Antenna
Barebones no complaints for price
Reviewed in the United States on January 5, 2026 by VladimireTod

  • CB worked well
Set name: MB3A-With Antenna
The CB worked great on the road. easy to use, install, also set up. the only issue was the antenna was the vibration of my truck caused the antenna to loosen up and bend. (caused by the bumpy roads) not bad with the wind. overall the CB worked great. recommend it. but antenna no Now if local great, but trip no. ... show more
Reviewed in the United States on May 28, 2026 by Juan Rios

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