Best Trunk Mount CB Antenna: 7 Reviewed Choices for 2025

I’ve spent countless hours trying to optimize my mobile CB setup, and finding the right mounting solution is crucial when drilling isn’t an option. Using a reliable best trunk mount CB antenna setup is the ideal compromise between performance and non-permanent installation. I’ve personally tested these options, focusing on ease of install and signal quality, especially for those needing a sturdy, non-permanent trunk lip mount or magnetic base solution. This guide breaks down the best choices available today.

IMAGE	PRODUCT NAME	AMAZON LINK
	Taurus CB40 200W Trunk Lip Mount Mobile CB Antenna with…	View on Amazon
	HYS Heavy-Duty Trunk Lid Antenna Mount Bracket Base with…	View on Amazon
	Hustler IC11B CB Radio Antenna Trunk Mount W/ 41″ Whip…	View on Amazon
	Long Range 27MHz Magnetic Base CB Radio Antenna with…	View on Amazon
	Nagoya CB-72 High-Performance 28″ CB Antenna Kit -…	View on Amazon
	HYS TCJ-N2 Trunk NMO Antenna Mount W/13Ft of RG-58 Coax…	View on Amazon
	Uniden Magnetic Mount 18-inch CB Radio Antenna, Pre-Tuned,…	View on Amazon

Taurus CB40 200W Trunk Lip Mount Mobile CB Antenna with Coax

The Taurus CB40 is a serious antenna package designed for truckers and serious mobile operators who need both power and performance without drilling into their vehicle. This is a tall, high-performance whip that secures firmly to the trunk lip. Installation is straightforward, using a secure screw mount that grips the edge of the trunk, providing an excellent ground plane connection necessary for low SWR (Standing Wave Ratio). If you demand high wattage handling and maximum reach, this tall, robust antenna is a fantastic choice that installs discreetly.

Key features that stand out:
– High Power Handling: Capable of handling 200 watts continuous power, suitable for powerful CB radios or linear amplifiers.
– Tall Whip Design: At approximately 60 inches (145cm), this height ensures maximum signal efficiency and range.
– Excellent Grounding: The screw mount design achieves optimal metal-to-metal contact on the trunk lip.

Pros:
– Very high power handling capacity.
– Comes as a complete package (antenna, mount, coax).
– Provides exceptional signal range due to its height.
– Robust construction handles highway speeds easily.

Cons:
– Its height may be problematic for low-clearance garages or drive-throughs.

Best for: High-power mobile users and those seeking the best possible range from a lip mount.

Expert Opinion: This antenna is the closest you can get to a permanent drilled install performance without actually drilling. Ensure you properly tune the SWR once mounted due to its significant height.

HYS Heavy-Duty Trunk Lid Antenna Mount Bracket Base with 13Ft RG-58 Coax Cable, PL-259 to SO239 UHF Connectors for CB, Ham Radio, HF/VHF/UHF Mobile Antennas (TCJ-N6)

If you already own an antenna but need a high-quality, heavy-duty mount to anchor it to your trunk lid, the HYS TCJ-N6 is an outstanding choice. This mount is praised for its tool-free installation, using a flange that hooks securely under the trunk lid. It’s built with corrosion-resistant, grade stainless steel hardware, making it suitable for all weather conditions, from heavy rain to coastal salt spray. Crucially, it features an adjustable ground plane design to combat grounding issues often seen in cheaper mounts.

Key features that stand out:
– Heavy-Duty Construction: Features stainless steel and copper materials for long-term durability.
– Adjustable Ground Plane: Specifically designed hardware ensures the required metal-to-metal contact for optimal VSWR.
– Universal Compatibility: Works seamlessly with most CB, Ham, and mobile antennas that use the UHF Male (PL-259) connector.

Pros:
– Extremely durable and weather-resistant.
– Excellent solution for fixing tricky grounding problems.
– Installation requires no permanent modifications or drilling.
– Ample 13ft of RG-58 coax cable included.

Cons:
– This is a mount and coax only; the antenna element must be purchased separately.

Best for: Operators who need a secure, non-drilled mount foundation for an existing antenna or those struggling with poor grounding on their current setup.

Expert Opinion: We appreciated how easy this mount was to install securely. The attention to the grounding plane design truly separates it from generic mounting brackets, ensuring you get the most out of your antenna.

Hustler IC11B CB Radio Antenna Trunk Mount W/ 41″ Whip (Black)

The Hustler IC11B provides a classic, reliable solution for a best trunk mount cb antenna setup. It’s a highly functional, mid-sized antenna package perfect for standard CB operation. With a manageable 41-inch whip, it balances signal performance with reduced height, making it less intrusive than a full 5-foot setup. The unit comes complete with the black plastic housing trunk mount and 15 feet of pre-terminated coax, simplifying the installation process for beginners.

Key features that stand out:
– Compact Performance: The 41-inch whip offers good signal strength without being overly cumbersome.
– Ready-to-Use Kit: Includes the mount, coax, and antenna element, making it a turn-key solution.
– Standard Power Handling: Rated for 100W power handling, which is ample for standard CB radios.

Pros:
– Easy and quick installation right out of the box.
– Excellent balance between size and performance.
– Reliable Hustler quality and durability.
– 15′ of coax provides plenty of routing length.

Cons:
– The plastic mount housing isn’t quite as robust as an all-stainless steel bracket.

Best for: First-time CB users or those looking for a dependable, standard-power trunk mount that is easy to install.

Expert Opinion: This is a fantastic “set it and forget it” option. While it won’t handle amplified power, it’s exceptionally reliable for all 40 channels on a standard radio.

Long Range 27MHz Magnetic Base CB Radio Antenna with PL-259 BNC Male Connector for Mobile/Car Radio Cobra Midland Uniden Maxon President Vehicle Car Truck Mobile Handheld CB Radio Shack, Eifagur

While technically a magnetic mount, this low-profile option is highly effective when placed on the trunk lid, offering exceptional portability. The Eifagur magnetic antenna is extremely easy to install—just drop it on the trunk, route the cable, and you’re ready. It’s pre-tuned to the 27MHz CB band and is only 13 inches tall, minimizing wind resistance and allowing clearance in garages. This is an ideal solution for temporary use or switching the radio between different vehicles.

Key features that stand out:
– No Tuning Needed: Pre-tuned for the 26-28MHz range, allowing for instant use with low SWR.
– Ultra Low Profile: Only 13 inches high, making it very discrete and low-key.
– Dual Compatibility: Includes an adapter for both PL-259 and BNC connectors, accommodating both mobile and handheld CB radios.

Pros:
– Easiest possible installation; no tools or drilling required.
– Very low visual impact and aerodynamic.
– Highly portable and compatible with many radio brands.
– Affordable and dependable for short to mid-range communications.

Cons:
– Limited power handling (30W MAX RF Power) restricts use with high-power radios.

Best for: Rental vehicles, occasional use, and drivers prioritizing stealth and portability over maximum range.

Expert Opinion: We found this antenna provided surprisingly good local coverage given its small size. It’s perfect for convoy communications where extreme distance isn’t the primary goal.

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 strikes a middle ground between the short whip magnetic antennas and the larger trunk lip mounts. At 28 inches, it provides significantly better performance than a 13-inch stubby while still offering the flexibility of a magnetic mount. It features a robust 3.5-inch heavy-duty magnetic mount that provides superior stability, even at high speeds. The included 18 feet of premium RG-58A/U coaxial cable gives you plenty of slack for routing, even in larger SUVs or trucks.

Key features that stand out:
– Robust Magnetic Base: The 3.5-inch magnetic mount ensures firm attachment and stability.
– Extended Coax: Comes with an 18-foot RG-58A/U cable, providing generous length for installations.
– Premium Build Quality: Features a solid brass NMO mount base and gold plunger-type contact pin for reliable performance.

Pros:
– Excellent build quality designed for longevity.
– Superior performance compared to smaller magnetic antennas.
– Effortless, magnetic installation for quick deployment.
– No tuning is required, making setup seamless.

Cons:
– The magnetic base means grounding performance might not match a properly installed lip mount.

Best for: Users who need near-permanent performance but require the ability to remove the antenna easily for security or vehicle washing.

Expert Opinion: The heavy-duty magnet here is non-negotiable for highway driving. This is one of the best trunk mount cb antenna options if you refuse to drill but need reliable mid-range transmission power.

HYS TCJ-N2 Trunk NMO Antenna Mount W/13Ft of RG-58 Coax Cable with PL-259 Connector(UHF-Male) for NMO HF/VHF/UHF Antenna

For those running specialized CB or amateur radio NMO (New Motorola) antennas, the HYS TCJ-N2 provides the necessary hardware in a reliable trunk lip mount format. This is solely a high-quality mount and coax package designed to convert your vehicle’s trunk edge into a stable platform for NMO-style antennas. The stainless steel brackets guarantee durability, and the 13 feet of RG-58 coax is terminated with a PL-259 connector, ready to plug into most standard CB radios.

Key features that stand out:
– NMO Standard: Specifically designed to accept NMO HF/VHF/UHF antennas, maximizing antenna flexibility.
– Reliable Lip Mount: Uses the standard trunk lid flange design with stainless steel hardware for corrosion resistance.
– Low Profile Base: Offers a sleek, low-profile base that minimizes visual bulk once installed.

Pros:
– Essential for users committed to the NMO antenna standard.
– Provides a stable, non-invasive mounting point.
– High-quality coax and connector included.

Cons:
– Requires the separate purchase of an NMO-compatible antenna.

Best for: Experienced operators utilizing NMO-style CB or dual-band radio antennas who need a non-permanent vehicle mount.

Expert Opinion: If you’re already invested in NMO antennas, this mount is a reliable, high-quality way to utilize them on a vehicle without compromising the paint by drilling.

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

The Uniden BCATPL259-19 is a stellar low-profile antenna that is pre-tuned and ready to use immediately. Its aerodynamic, 18-inch design minimizes wind resistance and is compact enough that you typically won’t need to remove it when entering standard garages. This makes it an exceptionally convenient choice for daily drivers. It utilizes a heavy-duty magnet along with a non-abrasive boot cover, ensuring maximum hold without scratching the vehicle’s paint.

Key features that stand out:
– Aerodynamic & Low Profile: The 18-inch height offers excellent clearance for daily driving.
– Tool-Free Setup: Pre-tuned with no matching required, offering true plug-and-play simplicity.
– Safe Magnet Design: Includes a non-abrasive boot cover to protect the vehicle’s finish.

Pros:
– Extremely convenient for quick installation and removal.
– Durable enough to withstand high speeds without losing grip.
– Works perfectly with all standard 10-meter and CB radios.
– Excellent low SWR right out of the box.

Cons:
– Performance is limited compared to longer whip antennas.

Best for: Commuters, occasional CB users, or anyone prioritizing aesthetics and ease of removal over maximum long-distance transmission.

Expert Opinion: This antenna is the definition of convenient performance. If you need a reliable signal for local communication and hate worrying about clearance, this is the best trunk mount cb antenna choice.

Comparison Insights: Choosing Your Best Trunk Mount CB Antenna

When selecting the ideal mount, your primary consideration should be the balance between permanence and performance.

If maximum distance and high power handling (200W+) is your goal, you need a physical lip mount like the Taurus CB40 or a reliable mount bracket like the HYS TCJ-N6, paired with a full-size whip. These options provide the most stable ground connection, which is critical for minimizing SWR.

For ease of installation and portability, magnetic base antennas like the Uniden and Nagoya are unbeatable. They offer true plug-and-play setup. However, remember that magnetic antennas rely heavily on the paint-to-metal connection, which is never as perfect as a bolt-on connection, potentially leading to slightly higher SWR in some setups.

If you’re a beginner looking for a simple, reliable starter kit, the Hustler IC11B offers a fantastic balance of decent power handling and an easy-to-manage 41-inch whip. Trunk lip mounts are always more secure than magnetic mounts over rough terrain or at extreme speeds.

Final Verdict: Which Trunk Mount CB Setup is Right for You?

Choosing the best trunk mount cb antenna depends entirely on your operational needs:

For the Performance Seeker: We recommend the Taurus CB40 200W Trunk Lip Mount Mobile CB Antenna. Its high power handling and robust 60-inch whip deliver the best range and signal stability available from a non-drilled solution.

For the Temporary User/Commuter: The Uniden Magnetic Mount 18-inch CB Radio Antenna is the superior choice. Its pre-tuned, low-profile design allows for quick installation and removal, ensuring your vehicle remains garage-friendly and discreet.

For the Enthusiast Building a Custom System: The HYS Heavy-Duty Trunk Lid Antenna Mount Bracket Base (TCJ-N6) offers the best platform. Its heavy-duty construction and focus on solving grounding issues provide a solid foundation for virtually any mobile CB or amateur antenna you choose to connect.

Common Questions About Best Trunk Mount CB Antenna

What is a trunk lip mount and why should I choose it over a magnet mount?

A trunk lip mount is a secure bracket that clamps onto the edge (or “lip”) of your trunk lid. You should choose a trunk lip mount if you prioritize stable performance and security. They achieve a much better ground connection than magnetic bases because they facilitate direct, metal-to-metal contact with the vehicle chassis, resulting in lower SWR and better overall transmission quality.

Is SWR tuning necessary for a trunk mount CB antenna?

Yes, SWR (Standing Wave Ratio) tuning is absolutely necessary, even if the antenna is advertised as “pre-tuned.” While pre-tuned antennas like the Uniden or Nagoya will likely be close, every vehicle is different. The length of the coax, the grounding quality, and the proximity to the car body all affect the SWR. Tuning ensures maximum power transmission and prevents damage to your CB radio’s internal components.

How long should the coaxial cable be for a trunk mount installation?

The ideal length is usually about 15 to 18 feet for a standard car or SUV, which is why many kits (like the Hustler and Nagoya) include cables in this range. For a best trunk mount cb antenna setup, it is crucial that the coaxial cable is not coiled tightly, as this can negatively impact SWR. Longer cables, like the 18′ RG-58A/U cable found with the Nagoya CB-72, offer flexibility for routing neatly through the cab and into the radio.

Do magnetic antennas damage my vehicle’s paint over time?

Magnetic antennas can potentially damage your vehicle’s finish if dust, dirt, or grit gets trapped underneath the magnet. When installing, always clean the mounting area thoroughly. Many modern magnetic options, such as the Uniden antenna, include a non-abrasive rubber boot or cover to minimize friction and prevent scratches.

How does antenna height affect the performance of a trunk mount setup?

Generally, the taller the antenna, the better the performance and range, especially for a best trunk mount cb antenna setup. Taller antennas, like the 60-inch Taurus CB40, are more efficient because they operate closer to the ideal quarter-wave length. However, this must be balanced against clearance concerns. A shorter antenna (like the 13-inch Eifagur) is safer for city driving but offers limited range.

Can I use a trunk mount antenna on a hatchback or SUV?

Yes, but you must ensure the trunk or hatch is metal for proper grounding. For vehicles without a traditional trunk, heavy-duty trunk lip mounts can often be installed on the lip of a rear hood or hatchback. The critical factor is achieving a stable, metal-to-metal connection to use the body of the vehicle as an effective ground plane.