Francis Pre-Tuned CB Antenna



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Quick Overview

These Francis antennas come pre-tuned, so you're more likely to get great performance straight out of the box! While these antennas don't usually require tuning, it's important to test SWR to ensure safe operation levels. Lack of a ground plane or other issues unrelated to antenna length can cause high SWR levels and may potentially damage radio equipment if not corrected.

Francis Pre Tuned CB Antenna

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  • Francis Pre Tuned CB Antenna

Additional Information

Model / SKU: Francis CB Series 3, 4, 5
Recommended for: CB users seeking an antenna that can be quickly set up and operational. Fiberglass construction is ideal for pick-up trucks, semis and large passenger vehicles. Can also be used with cars and vans, but magnet antennas are often easier to install.
Notable Features: Pre-Tuned for Minimal Adjustment, Exclusive Double Helical Winding
Compatible with: Antenna uses male 3/8" x 24 thread, compatible with all standard CB studs and mounts available.
Antenna Length(s) 3', 4', 5'
Antenna Color(s) Black, White, Orange
Approximate Range:

Range(s) provided are for comparison purposes only and are subject to numerous installation and environmental variables. For more detailed information, please see our reference article on CB Antenna Range Approximation.

  • 3' Length: 3 to 4 miles
  • 4' Length: 4 to 6 miles
  • 5' Length: 5 to 7 miles
Product Includes: Francis Pre-Tuned CB Antenna
Mount and coax cable sold separately


  • Continuous load fiberglass antenna
  • Pre-tuned for optimal performance out of the box
  • Antenna length: 3', 4' or 5.5'
  • Exclusive double helical winding
  • Uses standard 3/8" x 24 thread
  • Constructed of custom fiberglass to ensure flexibility and durability
  • Available in black, white or orange
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    Customer Reviews

    Very pleased!

    Review by Duke
    Overall Rating
    This antenna really increased my range right out of the box. (Posted on November 26, 2013)
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    Review by Majikman
    Overall Rating
    I've been looking for a 5.6 Francis Antenna and this one works great on my CB Radio. I'm really glad I bought it. You all should have one! (Posted on June 11, 2013)
    Do you find this review helpful?  Yes No
    (0 of 1 people found this review helpful)

    Best antenna ever made.

    Review by James
    Overall Rating
    Just purchased the Francis 8 ft. whip. I Installed it on my pickup. I had extremely low SWR with no tuning whatsoever. My Cobra 148 GTL has never worked better. (Posted on May 4, 2013)
    Do you find this review helpful?  Yes No
    (2 of 3 people found this review helpful)

    Great Antenna!

    Review by Ron
    Overall Rating
    The Francis is a great antenna and has great reception! It installs easily and has low SWRs. (Posted on April 6, 2012)
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    (4 of 6 people found this review helpful)