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Cobra HG A1500 42" magnetic-mount CB antenna

Item # 079HGA1500

This rugged antenna attaches securely to your vehicle's trunk or rooftop and provides great range.

This rugged antenna attaches securely to your vehicle's trunk or rooftop and provides great range.

California customers:
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1 question - 1 answer

Item # 079HGA1500

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About the Cobra HG A1500

Jon Paul

Maximum range and a magnetic mount

Want to maximize your CB's reach? The 42” HG A1500 magnetic-mount antenna from Cobra attaches securely to your vehicle's trunk or rooftop to give you the range you need when you're on the road. This powerful antenna can be easily transferred from vehicle to vehicle, too, so you'll be able to enjoy great reception in all your rides.

Product highlights:

  • magnetic-mount CB antenna
  • includes black stainless steel whip and hardware, plus heavy-duty 15' coaxial cable
  • frequency range: 26-30 MHz
  • attaches securely to your vehicle's trunk or roof
  • will receive weather channels
  • can be transferred from vehicle to vehicle
  • warranty: limited lifetime
  • MFR # HG A1500

What's in the box:

  • 37.5" Antenna whip
  • Antenna mast with screw-on collar
  • Magnetic antenna base with attached 15.75' RG58 coaxial cable (UHF male connector)
  • Rubber base pad (installed on base)
  • 2mm Allen wrench

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More details on the Cobra HG A1500

Research Team

Product Research


Overview: The Cobra HG A1500 is a high performance CB antenna with a magnetic mount that easily attaches to the roof or trunk lid of your pickup or SUV. It has an 42" mast and 4" diameter magnetic base, plus an attached 15'-9" braided coaxial cable (RG58) with a male UHF threaded connector. The Highgear-series antenna is designed for all CB and 10-meter radios, and is weather channel ready. It is covered by a 2-year manufacturer's warranty.

Construction: The HG-A1500 features a non-corrosive black chrome stainless steel whip that resembles a cellular antenna, and non-corrosive black chrome-plated brass components. The heavy duty magnetic base holds the antenna securely to your vehicle. A rubber base pad on the bottom of the magnet prevents scratches to your vehicle. The antenna is tunable should the SWR (Standing Wave Ratio) be out of acceptable range.

Tuning The Antenna: The metal body of your vehicle serves as the ground plane for the antenna. After mounting the antenna in your vehicle, you should test the SWR in an open area, using a SWR meter, or CB radio if it has a built-in SWR meter. The test should be run on channels 1 and 40. Readings of 2:1 are considered acceptable, while ratios of 1.5:1 or lower are desirable. If the SWR reading on channel 40 is higher than channel 1, you will need to trim the mast by 1/8"-1/4" using a bolt cutter or hacksaw, then retest. The whip is removable from the mast using the supplied 2mm set screw.


  • Power Handling: up to 300 watts
  • Frequency Range: 26-30 MHz
  • Dimensions:
    • Base Diameter: 3.979"
    • Overall Height: 43"
      • Base Height: 1.651"
      • Whip Length: 37.5"
      • Mast Length: 5"
    • Cable Length: 15'-9"
  • Weight: 26.2 ounces

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Customer Q&A

1 question already asked

Will it work with a handheld cobra RoadTrip cb?
connie  Jan 17, 2021
1 answer
We have not received any answers from other customers on your question. I would recommend reaching out to an Advisor by phone (1-800-324-9695) or online chat. They should be able to help answer your question.
thomas  Feb 08, 2021 (Staff)

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