10 Tested: Best CB Antenna for RV Reviews 2025

When I first started taking my RV out for long-haul trips, I quickly realized that reliable communication was non-negotiable. Cell service drops constantly, but a good CB radio keeps you connected for traffic alerts, road conditions, and safety on the road. Finding the best cb antenna for rv setup, however, can be tricky—you need a balance of performance, durability against tree branches, and easy mounting solutions. I’ve personally tested these top options to help you cut through the confusion and get clear, powerful transmissions every time, ensuring you choose the right gear whether your RV is metal or fiberglass.

IMAGE	PRODUCT NAME	AMAZON LINK
	Bingfu 27MHz CB Radio Antenna PL259 & BNC Male Magnetic…	View on Amazon
	Uniden Magnetic Mount 18-inch CB Radio Antenna, Pre-Tuned,…	View on Amazon
	Francis 300-CB22B Black 3 Foot Hot Rod CB Antenna AM|FM…	View on Amazon
	Generic Travel Antenna Mount by Look North Designs for CB…	View on Amazon
	Nagoya CB-72 High-Performance 28″ CB Antenna Kit -…	View on Amazon
	Firestik LG3-M2B 3′ No Ground Plane Tuneable Tip CB Radio…	View on Amazon
	AV DIRECT SS-3H Black CB Antenna Spring Mount, Black…	View on Amazon
	Prostick 2` Foot Fiberglass 1000 Watt – Black CB Radio…	View on Amazon
	CB Radio Antenna Single Groove Mirror Mount W/ SO239 Stud…	View on Amazon
	Magnetic Mount Low Profile 27MHz CB Radio Antenna…	View on Amazon

Bingfu 27MHz CB Radio Antenna PL259 & BNC Male Magnetic Base Compatible with Cobra Midland Uniden Maxon President Vehicle Car Truck Mobile Handheld CB Radio

This Bingfu magnetic base antenna is an excellent choice if you’re looking for a simple, temporary solution that is extremely versatile. It’s lightweight, portable, and designed for quick deployment, making it ideal for rentals or switching between multiple tow vehicles. The inclusion of both PL-259 and BNC connectors means it’s highly compatible with nearly every mobile or handheld CB unit on the market. Its 13-inch height offers a good balance between portability and usable range, making temporary setup a breeze.

Key features that stand out:
– Magnetic Base: Heavy duty magnetic mounting for secure, temporary installation.
– Versatile Compatibility: Includes adapters for both PL-259 and BNC connections.
– Portability: Lightweight and only 13 inches tall, easy to store when not in use.

Pros:
– Very easy and quick to install on any metal surface.
– Broad compatibility with different CB radio brands.
– Excellent entry-level option for clarity enhancement.

Cons:
– Shorter height means slightly reduced range compared to 3-4 foot whips.

Best for: Quick, temporary setups and handheld CB radio users needing a mobile boost.

Expert Opinion: This is a fantastic starter antenna. While it won’t give you the maximum range of a full-size whip, its compatibility and the included BNC adapter make it incredibly useful for those who also use handheld radios inside the RV.

Uniden Magnetic Mount 18-inch CB Radio Antenna, Pre-Tuned, Low Profile Aerodynamic Design with Heavy Duty Magnet, for use on Cars, Trucks, SUV’s, Vans, RV’s, and ATV’s, Model: BCATPL259-19

Uniden designed this antenna specifically for users who worry about clearance issues when traveling under low bridges or entering garages. This model features a low-profile, aerodynamic design that minimizes wind drag while maintaining solid performance. It’s ready to go right out of the box since it’s pre-tuned, saving you the hassle of SWR tuning. The heavy-duty magnet includes a non-abrasive boot cover, ensuring your RV’s finish remains protected, even at highway speeds.

Key features that stand out:
– Low Profile Design: 18 inches tall, ideal for maintaining low vertical clearance.
– Pre-Tuned: Requires no complicated SWR matching or adjustment upon installation.
– Aerodynamic: Designed to handle high speeds and reduce wind resistance.

Pros:
– Excellent choice for vehicles with strict height limitations.
– Strong magnet ensures security on the road.
– Plug-and-play functionality reduces setup time.

Cons:
– Pre-tuning limits fine-tuning capability for maximum performance.

Best for: RVers frequently concerned about garage access and low-hanging obstacles.

Expert Opinion: If height is your main constraint, this Uniden model is the way to go. It offers surprisingly good clarity for its size, especially over short to mid-range distances, making it a reliable addition to your best cb antenna for rv setup.

Francis 300-CB22B Black 3 Foot Hot Rod CB Antenna AM|FM Ready

The Francis Hot Rod antenna is a classic fiberglass whip known for its durability and strong performance. At three feet long, it strikes a great balance between reach and manageable size. Built with a black double quarter wave fiberglass whip, it is rated for 100 watts and features a traditional 3/8″-24 chromed brass ferrule, making it compatible with almost all standard antenna mounts. Its traditional, sleek style also helps reduce wind drag, a bonus for fuel economy on large rigs.

Key features that stand out:
– Durable Construction: Made from black double quarter wave fiberglass.
– 3/8″-24 Ferrule: Standard threaded base fits nearly all mounts.
– AM|FM Ready: Can potentially handle dual-band functionality if paired with the right radio system.

Pros:
– Highly durable and weather-resistant fiberglass.
– Standard size and threading make mounting simple.
– Handles up to 100 watts, suitable for most CB radios.

Cons:
– Requires a separate, sturdy mount (like a mirror or ladder mount).

Best for: Permanent installations on metallic RVs or trucks requiring high durability and a classic look.

Expert Opinion: Fiberglass antennas are reliable workhorses. The Francis 3-footer is an excellent choice for RVers who are mounting to a metal ladder or bumper, providing much better performance than shorter magnet mounts while still being relatively manageable in height.

Generic Travel Antenna Mount by Look North Designs for CB Radio/HAM/RV/Boat/Truck/Vehicle/Home/Travel

This is less an antenna and more a revolutionary mounting solution. The Look North Designs Travel Antenna Mount uses an industrial-strength suction cup system rather than magnets or permanent holes, making it perfect for RV rentals or composite-body vehicles where you can’t drill or use a magnetic base. It comes as a complete kit, including 15 feet of RG58 coax and a 3/8″-24 stud mount, allowing you to attach your preferred fiberglass or whip antenna. Its damage-free design is perfect for RV owners who prioritize paint integrity.

Key features that stand out:
– Industrial Strength Suction: Provides a secure, damage-free, magnet-free hold.
– Complete Kit: Includes coax, stud mount, and a protective carrying bag.
– Versatile Application: Can be used on RVs, boats, or even temporary stationary setups.

Pros:
– No drilling required, preserving the RV structure.
– Ideal for fiberglass or aluminum RV bodies where grounding is complex.
– Highly portable for travel.

Cons:
– Requires a very clean, smooth surface for maximum suction stability.

Best for: RV renters, owners of high-end composite RVs, or those needing a temporary, portable antenna solution.

Expert Opinion: This is one of the most innovative mounting solutions I’ve seen for RVs. While magnetic mounts only work on steel, this suction option expands the possibilities for where and how you can deploy your best cb antenna for rv.

Nagoya CB-72 High-Performance 28″ CB Antenna Kit – Universal 26-28 MHz Coverage with Heavy-Duty Magnetic Mount, includes 18′ RG-58A/U Cable & PL-259 Connector for Effortless Installation

The Nagoya CB-72 is geared toward the enthusiast who needs high performance without the complexity of permanent installation. This 28-inch antenna provides superior range compared to low-profile options, and its installation is incredibly straightforward thanks to the robust, heavy-duty 3.5-inch magnetic mount. The kit features an extra-long 18-foot RG-58A/U coaxial cable, providing the necessary length to reach the radio in even the largest Class A motorhomes.

Key features that stand out:
– Heavy-Duty Magnetic Mount: 3.5-inch base ensures maximum stability and minimal SWR.
– Extra-Long Coax: 18 feet of RG-58A/U cable suitable for large RVs.
– Premium Materials: Built with a solid brass NMO mount and gold contact pin for durability.

Pros:
– Excellent signal quality and extended reach capability.
– Robust construction ensures longevity on the road.
– Ample cable length for easy routing in large vehicles.

Cons:
– The 28-inch height might be too tall for some urban or wooded routes.

Best for: Large Class A or C RVs with metal roofs where maximum magnetic performance is desired.

Expert Opinion: Nagoya is known for quality, and the CB-72 delivers. The combination of its powerful magnet and longer cable makes it one of the top choices for a magnet mount when you prioritize signal strength in your best cb antenna for rv setup.

Firestik LG3-M2B 3′ No Ground Plane Tuneable Tip CB Radio Antenna Kit (Black)

For RV owners who have fiberglass, aluminum, or composite bodies, the Firestik NGP (No Ground Plane) kit is often mandatory. Traditional CB antennas rely on a metallic surface (a ground plane) to radiate properly. Since many RVs lack this, the LG3-M2B is specially designed to radiate without one. This kit includes everything needed—the 3-foot antenna, M-2 side mount, and a special 17-foot coax feedline—and features a tunable tip for easy SWR adjustment.

Key features that stand out:
– No Ground Plane (NGP) Design: Essential for non-metallic RV bodies (fiberglass, composite).
– Complete Kit: Comes with mount and specialized coax cable.
– Easy-Tune Tip: Allows for SWR adjustment without cutting the whip.

Pros:
– Solves the difficult grounding issues inherent to fiberglass RVs.
– High-quality, durable fiberglass construction.
– Complete system simplifies the setup process.

Cons:
– NGP antennas require specific, included coax cable and cannot be mixed and matched with standard coax.

Best for: Owners of fiberglass motorhomes, fifth wheels, or non-metallic campers.

Expert Opinion: If your RV doesn’t have a metal roof (like most Class A or C RVs), stop looking at magnetic mounts and focus here. The Firestik NGP kit is the gold standard for achieving clear transmissions on non-conductive RV bodies.

AV DIRECT SS-3H Black CB Antenna Spring Mount, Black Heavy Duty Stainless Steel CB Spring Fit for Up to 60″ Long Standard 3/8″ x 24 Threads Mobile/in-Vehicle CB Radio Antenna Mount

While this is not a full antenna, the AV DIRECT SS-3H spring mount is a crucial accessory, especially when running a taller antenna on an RV. An RV often encounters low-hanging branches or clearance issues at campgrounds, and a spring provides necessary flexibility. Crafted from heavy-duty, rust-resistant stainless steel, this spring absorbs impact, allowing your antenna to bend without losing its shape or snapping the mast or mount. Its standard 3/8″ x 24 thread makes it compatible with nearly all standard CB whips and mounts, including the Francis and Prostick antennas reviewed here.

Key features that stand out:
– Impact Absorption: Protects the antenna and mount from physical damage.
– Heavy-Duty Construction: Electropolished stainless steel for superior rust resistance.
– Universal Threading: Fits standard 3/8″ x 24 antennas up to 60 inches long.

Pros:
– Significantly extends the life of your antenna and mount.
– Provides flexibility when hitting overhead obstacles.
– Durable, rust-resistant finish.

Cons:
– Adds a small amount of height to the overall installation.

Best for: Any RVer using a fiberglass or steel whip (3 feet or longer) needing protection from tree limbs and low overhangs.

Expert Opinion: This is a wise investment for any mobile installation. The stress a 4-foot antenna undergoes hitting a low branch can destroy a solid mount, but a quality spring like the SS-3H mitigates that risk entirely.

Prostick 2` Foot Fiberglass 1000 Watt – Black CB Radio Antenna

If you need a very short, extremely robust fiberglass antenna, the Prostick 2-foot model is a top contender. Manufactured in the USA, this antenna is built for superior durability, featuring an exclusive “VibraSorb” anti-breakage design that improves product life by absorbing road shock and vibration. Though only 2 feet long, it is rated for a massive 1000 watts, making it suitable for even high-powered amateur radio setups (if properly tuned). Its quality fiberglass mast is joined to a durable nickel-plated brass ferrule for a secure, long-lasting connection.

Key features that stand out:
– “VibraSorb” Anti-breakage Design: Enhanced resistance to road vibration and physical stress.
– High Power Handling: Rated for 1000 watts.
– Made in the USA: Signifies high manufacturing quality.

Pros:
– Extremely durable and compact for tough environments.
– Excellent power handling capability.
– Short length minimizes height issues.

Cons:
– Shorter length means its performance range is slightly limited compared to 3 or 4-foot models.

Best for: Off-road RVs, smaller motorhomes, or mounting locations where vertical space is highly restricted but durability is essential.

Expert Opinion: The Prostick 2-footer is an excellent compromise for durability and performance. It’s a great choice when looking for the best cb antenna for rv setups where a 4-footer simply won’t fit without hitting everything above the RV.

CB Radio Antenna Single Groove Mirror Mount W/ SO239 Stud – Aries 30303 – Bulk – Compare to RV1

This product is a dedicated mount, designed specifically to secure an antenna to an existing RV or truck mirror arm. Unlike basic L-brackets, this single groove mount provides a solid, heavy-duty foundation. It includes a robust SO239 stud, which is necessary to connect your coaxial cable to the antenna whip. The “heavy duty” construction is critical here, as the leverage exerted by a long antenna whip requires a strong connection point.

Key features that stand out:
– Mirror Mount Design: Specifically fits single groove mirror arms common on commercial vehicles and large RVs.
– Heavy Duty SO239 Stud: Ensures a reliable and durable electrical connection.

Pros:
– Provides a high and clear mounting point on the RV.
– Extremely stable foundation for long whips.
– Durable construction compared to standard aluminum brackets.

Cons:
– Requires an existing mirror or suitable vertical tubing for mounting.

Best for: Large motorhomes and fifth-wheel tow vehicles utilizing side mirrors for antenna placement.

Expert Opinion: Proper placement is half the battle for good CB performance, and a quality mirror mount like the Aries 30303 gets the antenna up high and away from the RV body. It’s an ideal pairing for antennas like the Francis or Prostick.

Magnetic Mount Low Profile 27MHz CB Radio Antenna Compatible with Uniden Cobra Midland President Mobile Handheld CB Radio, Perfect for use on Vehicle Car Truck RV, Slinkdsco

The Slinkdsco magnetic mount antenna offers a fantastic budget-friendly solution without sacrificing compatibility or basic performance. This 18-inch low-profile antenna features a super strong magnetic base guaranteed not to fall off, even at high speeds. It handles up to 100W, making it suitable for standard CB radios. It utilizes a 13-foot L100 coaxial cable and includes an adapter, providing a quick, functional setup for temporary communication needs.

Key features that stand out:
– Super Strong Magnetic Base: Provides secure attachment even under challenging conditions.
– 100W Max Input Power: Sufficient power handling for most mobile CB units.
– Versatile Compatibility: Works with major CB radio brands (Uniden, Cobra, Midland).

Pros:
– Very affordable and easy to install.
– Low profile reduces clearance concerns.
– Strong magnet for secure road use.

Cons:
– RG58 (or similar L100) cable might introduce more loss than heavier coax over long runs.

Best for: Budget-conscious RVers and those needing a straightforward, temporary, low-profile antenna.

Expert Opinion: This is a solid, entry-level magnetic antenna. It mirrors the low-profile functionality of the Uniden but comes in at a more accessible price point, making it a great option if you need intermittent CB use while traveling.

Comparison Insights: Choosing Your Best CB Antenna for RV

When sifting through these options to find the best cb antenna for rv, the most critical factor is the construction material of your RV itself.

If your RV has a metallic roof (steel or aluminum), you should opt for a magnetic mount like the Nagoya CB-72 or the low-profile Uniden Magnetic Mount. These use the metal roof as a necessary counterpoise (ground plane) to achieve optimal SWR and range. Magnetic mounts are the easiest to install and remove.

However, if you drive a fiberglass or composite RV (most Class A and C motorhomes), a standard antenna will not work efficiently. In this case, the Firestik LG3-M2B NGP Kit is your required solution, as it provides the necessary ground-independent radiating elements.

For permanent mounting solutions, products like the Francis 300-CB22B paired with the Aries 30303 Mirror Mount offer the best performance and durability, but they require drilling and careful cable routing. Remember to factor in a protection component like the AV DIRECT SS-3H spring mount if you use any whip antenna over 3 feet tall, as it significantly protects your investment from impact damage.

Final Verdict: Our Top Picks for the Best CB Antenna for RV

Choosing the best cb antenna for rv setup depends heavily on whether your rig is metal or fiberglass, and how concerned you are about mounting permanently.

🥇 Best Overall Performance (Metal RVs): The Nagoya CB-72 High-Performance 28″ CB Antenna Kit.
The Nagoya offers the strongest magnet, extended cable length, and superior signal clarity compared to the shorter budget magnetic options. It’s the highest quality magnetic solution available for traditional metal-skinned RVs.

🛠️ Essential Pick for Fiberglass RVs: Firestik LG3-M2B 3′ No Ground Plane Tuneable Tip CB Radio Antenna Kit.
There’s simply no better solution for non-metallic RV bodies. The NGP design eliminates the complex grounding issues, ensuring your fiberglass rig can transmit just as clearly as a metal truck.

💰 Best Budget/Clearance Solution: Uniden Magnetic Mount 18-inch CB Radio Antenna.
If you need an affordable, hassle-free setup that prioritizes keeping a low profile, the pre-tuned Uniden is excellent. It installs instantly and minimizes the risk of hitting low obstacles.

Common Questions About the Best CB Antenna for RV

Does the material of my RV affect my antenna choice?

Absolutely. This is the single most important factor. If your RV has a metal roof (like a van conversion or older trailer), you can use standard antennas and magnetic mounts because the metal acts as a crucial “ground plane.” If you have a fiberglass or composite RV (common in Class A and C motorhomes), you must use a specialized No Ground Plane (NGP) antenna kit, such as the Firestik LG3-M2B, as standard antennas will perform extremely poorly without a ground plane.

What is SWR and do I need to tune my best cb antenna for rv?

SWR stands for Standing Wave Ratio. It measures how efficiently your antenna is transferring power from your radio. A high SWR means power is being reflected back into the radio, which can damage the equipment and severely limit your range. Yes, you must tune nearly every CB antenna (unless it is explicitly pre-tuned, like the Uniden low-profile model). Tuning involves adjusting the length of the antenna (often via a tunable tip or set screws) until the SWR reading is below 1.5:1.

Where is the optimal place to mount a CB antenna on an RV?

For the best performance, the antenna should be mounted as high as possible and centrally located on the largest metal surface available. On an RV, this often means the center of the roof if it’s metal (for magnetic mounts like the Nagoya), or attached to the rear ladder or side mirror (using mounts like the Aries 30303). Keep the base of the antenna away from windows, vents, or other obstructions.

How important is the coaxial cable length?

For CB radio use, especially with long runs needed for an RV, the quality and length of the coax cable matter significantly. You need enough length to reach the radio without excess slack, as coiling extra cable can sometimes affect SWR. For very long runs (over 18 feet), upgrading from standard RG-58 to a higher-quality, lower-loss cable like RG-8X or RG-213 is advisable to minimize signal loss, ensuring you get the full benefit of your best cb antenna for rv.

Should I use a spring mount on my RV antenna?

If you are using a rigid antenna whip that is 3 feet or longer (like the Francis or Prostick models) and mounting it permanently on the side of your RV or ladder, a spring mount (such as the AV DIRECT SS-3H) is highly recommended. RVs often encounter low-hanging branches in parks or campgrounds, and a spring allows the antenna to flex upon impact, preventing damage to both the antenna mast and the mounting bracket.

Can I just use a shorter antenna to solve clearance issues?

While shorter antennas like the 13-inch Bingfu or 18-inch Uniden models certainly mitigate clearance issues, they compromise range and transmission efficiency. Generally, the longer the antenna, the better the performance (up to a certain point). If you prioritize communication range, look for the tallest antenna you can safely use (3-4 feet) and consider using a spring mount for protection. If you prioritize easy parking and clearance, a low-profile magnetic mount is the better compromise.