10 Best Cobra 42 Inch Magnet Mount Cb Antenna of 2025

Tested and Reviewed: Top 10 Cobra 42 Inch Magnet Mount Cb Antenna deals with expert ratings from 8.1 to a perfect 10

March 2026 Edition

Editor's Choice

9.7

COBRA

Cobra HGA 1500 Hga1500 36 Inch Magnetic Mount CB Antenna Heavy Duty Magnet, for use In Cars, SUVs Recreational Vehicles 300 Watt Power Handling Capability

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Editor's bottom line:

“This cobra 42 inch magnet mount cb antenna is the best one we tested. In terms of quality, brand and price, we couldn't ask for more.”

Main Highlights

Built to outperform the competition - a non-abrasive heavy duty 4 inch magnet ensures that once the antenna is placed, it will stay there as long as you need it to
The ultimate recreational magnet mount antenna - ideal for trucks, SUVs, and recreational vehicles this antenna will stay on when you need it, But is completely removable when not in use. Use the coax 15 feet of matched-braided Coaxial cable to attach to any CB or 10 meter radio RF Pl259 connector
Works with all CB & 10 meter radios - 100 Watt rating with broad-banded frequency of 26-30mhz and weather channel ready
Package weight: 1.0 lbs

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Picked by 397 people today

9.5

COBRA

Cobra 29 LTD Professional CB Radio & Cobra HGA1500 42 Inch Magnetic Mount CB Antenna: Full 40 Channels, Adjustable Receiver, SWR Calibration, Long-Range Antenna for Clear Signal, Black

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Main Highlights

Everything You Need The full-featured Cobra 29 LTD Professional CB Radio paired with the Cobra HGA1500 Magnetic Mount Antenna provides reliable communication, superior range, and improved signal, keeping drivers connected while on the road
Dual-Mode AM/FM This CB radio provides access to both AM and FM channels, allowing communication with more users, long range or near, and with better sound quality. The ergonomic design with intuitive controls make this radio easy to operate
Adjustable Calibrate SWR meter for optimum antenna performance when alerted by the illuminated indicator. Easily adjust RF Gain sensitivity to reduce background noise and static without reducing reception, resulting in the best signal possible
Magnetic Mount The non-abrasive, heavy duty 4-inch magnet ensures that the antenna securely connects to the top of your car when in motion but is also removable when not in use. Ideal for trucks, SUVs and recreational vehicles
Compatibility Use the matched-braided coaxial cable to attach antenna to CB radio or the 10-meter radio RF Pl259 connector. Antenna has a 100-Watt rating with broad-banded frequency of 26-30mhz and weather channel ready
Whats Included - CB Radio, 9 ft coiled microphone cord for easy reach throughout cab, power cord, microphone hanger, mounting bracket and all necessary hardware, 42-inch antenna with 15-foot coaxial cable, black stainless steel whip and hardware

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9.5

eifagur

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

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Main Highlights

Compatible with CB radios from many brand , improve quality and range to CB radio reception. The antenna works on all channel within CB radio frequency range of 26MHz to 28 MHzCenter 27MHz, No tuning needed
Frequency Range: 26-28MHz (Center Frequency: 27MHz)MAX RF Power: 30WCable: 3M/10Ft RG-58UV.S.W.R: 1.2:1Impedance: 50 OhmAntenna Heigth: 9.9 inch / 25cm; Weight: 420g; Antenna Connector: BNC MaleAdapter: BNC Female to UHF PL-259;
Compatible withUniden PRO505XL or Bearcat 980SSB / 880, Cobra 19 DX IVCobra HH50WXST HH50 MRHH350FLT C75WXST HHRT50Midland:75-822 75-785 MHS75;Uniden: BC75XLT PRO401HH PRO501HH BC125AT;Other UHF/BNC Connector 27MHZ radios suitable for this antenna
Easy to install on the roof or trunk of any vehicle and enjoy quality signal reception.
Package List: 1 x Antenna kit, 1 x Adapter (As the Picture Shown);
Don't worry about any problems, we have carefully checked each product, Any questions, please feel free to contact us, will reply within 24 hours;

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9.2

BTECH

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

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Main Highlights

Effortless Setup for Beginners and Experts: The Nagoya CB-72 is designed with simplicity in mind, featuring an intuitive installation process that ensures a hassle-free setup. Whether you're new to CB radios or a seasoned enthusiast, this antenna makes installation straightforward, with a robust magnetic mount that secures your antenna quickly and effectively.
Extended Reach with Premium Coaxial Cable: Enjoy the convenience of an extra-long 18' RG-58A/U coaxial cable included with the CB-72, providing ample length for versatile setup options. This premium cable ensures full CB frequency coverage with no tuning required, making it ready to use right out of the box.
Optimized for Popular CB Radios: Achieve superior performance with the CB-72, ideally suited for leading CB radios like the Uniden PRO505XL, Bearcat 980SSB, Bearcat 880, and Cobra 19 DX IV. This antenna enhances your radio's capabilities, ensuring seamless compatibility and improved signal quality for clearer communications.
Strong and Secure Magnetic Mount: The CB-72 features a 3.5-inch heavy-duty magnetic mount, designed for maximum stability and security. This robust mounting solution ensures your antenna remains firmly in place, providing optimal performance and minimal SWR for the best possible communication experience.
Premium Materials for Durability and Performance: Constructed with a solid brass NMO mount and a satin finish, complemented by a gold plunger-type contact pin, the CB-72 is built for lasting durability and reliable performance. Trust in the quality of Nagoya's engineering to deliver an antenna that stands up to the demands of the road and harsh environments.

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9.0

Hustler

Hustler IC100S-B 42 in. Base Load Magnet Mount Cb Antenna With Spring Black

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Main Highlights

Hustler - ic100s 45 black magnet mount antenna with spring & 15' coax cable

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8.8

BINGFU

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

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Main Highlights

Compatible with CB radios from many brands, improve quality and range to CB radio reception. The antenna design is portable, lightweight and durable, works on all channel within CB radio frequency range of 26MHz to 28 MHz.
Heavy Duty Magnetic Mounting; Easy to be installed on the roof, hood or trunk of vehicles and trucks, and will not scratch.
Working Frequency: 27MHz; Max Input Power: 30W; Cable Type: 3m / 10 feet RG58/U Coaxial Cable; Antenna Height: 13 inch / 33cm; Weight: 480g;
Cable Connector Type: PL-259 Male Connector; Accessoried with BNC Male to SO-239 Female Connector Adapter; Compatible with Mobile CB Radios and Handheld CB Radios;
Package List: 1 x Antenna, 1 x Connector Adapter (As the Picture Shown);

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8.6

LUITON

CB Antenna 28 inch 27 Mhz CB Radio Antenna Full Kit with Heavy Duty Magnet Mount Mobile/Car Radio Antenna Compatible with President Midland Cobra Uniden Anytone by LUITON

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Main Highlights

LONG ANTENNA - Taller Antennas = Better Range! 28 Inch long for ultimate range & receiving!
FULL KIT - includes magnet mount with pre-intalled 10ft of coaxial cable, coil load, and stainless steel whip.
Magnetic base - Improve reception by harnessing large metal surfaces.
Weather Channel Capable, Covers all CB frequencies.
Warranty would be valid for 12 months against manufacturing defect.

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8.3

eifagur

Long Range 27MHz Heavy Duty Magnetic Base Station Soft Whip CB Radio Antenna Kit for Cobra Midland Uniden Maxon President Anytone Vehicle Car Truck Mobile Handheld CB Radio Police Scanner, Eifagur

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Main Highlights

Compatible with CB radios from many brand , improve quality and range to CB radio reception. The antenna works on all channel within CB radio frequency range of 26MHz to 28 MHzCenter 27MHz, No tuning needed
Frequency Range: 26-28MHz (Center Frequency: 27MHz)MAX RF Power: 30WCable: 3M/10Ft RG-58UV.S.W.R: 1.2:1Impedance: 50 OhmAntenna Heigth: 9.9 inch / 25cm; Weight: 420g; Antenna Connector: BNC MaleAdapter: BNC Female to UHF PL-259;
Compatible withUniden PRO505XL or Bearcat 980SSB / 880, Cobra 19 DX IVCobra HH50WXST HH50 MRHH350FLT C75WXST HHRT50Midland:75-822 75-785 MHS75;Uniden: BC75XLT PRO401HH PRO501HH BC125AT;Other UHF/BNC Connector 27MHZ radios suitable for this antenna
Heavy Duty Magnetic Base, Stable even with strong winds and high speeds. Easy to install on the roof or trunk of any vehicle and enjoy quality signal reception.
Package List: 1 x Antenna kit, 1 x Adapter (As the Picture Shown);
Don't worry about any problems, we have carefully checked each product, Any questions, please feel free to contact us, will reply within 24 hours;

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8.1

K40

K30 35" Magnet Mount Stainless Steel CB Antenna - 300 Watts

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Main Highlights

300 Watts AM Power Handling Capability
35", 17-7 Stainless Steel Whip Antenna
Heavy Duty 4" 10oz. Magnet
15' Pre-Wired RG-58AU 95% Shielded Coax Cable Stranded to Prevent Breakage
Made in the U.S.A.

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8.1

slinkdsco

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

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Main Highlights

COMPATIBILITY: Compatible with Uniden, Cobra, Midland, President and many brands mobile handheld CB radios, Operates on the standard 27MHz CB radio frequency band for improved signal quality for reliable clearer communications;
MAGNETIC MOUNT: Strong magnetic base ensures secure attachment to any metal surface on vehicles, cars, trucks, or RVs, Super strong magnetism, even at high speeds, it will not fall off;
LOW PROFILE DESIGN: Compact and streamlined antenna structure minimizes wind resistance while maintaining optimal performance;
VERSATILE USE: Perfect for various vehicle types including cars, trucks, and RVs, offering easy installation and removal;
Max Input Power: 100W; Cable Type: 4m / 13 feet L100 Coaxial Cable; Antenna Height: 18-inch;Impedance: 50 Ohm; Antenna Cable Connector: PL-259; Adapter: SO-239 to BNC Male;
Any questions regarding the product and after-sales service only require an email from you, and we will resolve and reply within 24 hours;

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Our Best Overall Choice

Best Choice

9.7

COBRA

Cobra HGA 1500 Hga1500 36 Inch Magnetic Mount CB Antenna Heavy Duty Magnet, for use In Cars, SUVs Recreational Vehicles 300 Watt Power Handling Capability

Free Shipping

Editor's bottom line:

“This is the best one we tested. In terms of quality, brand and price, we couldn't ask for more.”

Main Highlights

Built to outperform the competition - a non-abrasive heavy duty 4 inch magnet ensures that once the antenna is placed, it will stay there as long as you need it to
The ultimate recreational magnet mount antenna - ideal for trucks, SUVs, and recreational vehicles this antenna will stay on when you need it, But is completely removable when not in use. Use the coax 15 feet of matched-braided Coaxial cable to attach to any CB or 10 meter radio RF Pl259 connector
Works with all CB & 10 meter radios - 100 Watt rating with broad-banded frequency of 26-30mhz and weather channel ready
Package weight: 1.0 lbs

Show Price

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