Garmin Replacement Compact VHF Collar Antenna KitFits the Alpha T20, TT25, TT15 and TT10, Astro T5, DC-50 and DC-40, and PRO Trashbreaker.No risk to you. Your 100% Satisfaction is Guaranteed with our 30 Day "No Questions" Money Back Guarantee. Hassle-free returns & exchanges.  Approx. 2 mile tracking range. Have smaller dogs? This compact, user-replaceable 14 1/2-inch VHF antenna fits Garmin Alpha T20, TT25, TT15, and TT10 GPS collars, Astro T5 and DC-50 GPS collars, and PRO Trashbreaker remote training collars. Also compatible with the Astro DC-40. Includes three antenna clips to keep it secured to your dog collar.
Customer ReviewsReview Summary
4.5
2 Reviews
5
50% (1)
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100% Recommend this product (2 of 2 responses)
By Craig C.
Weir Ms
14” Antenna kit
April 6, 2024
Excellent product easy installation fits perfect going to work well on my tt25 I am using on my Little Molly the Jack Russel.
  Pros
Cons
By John
TX
Great replacement
January 11, 2026
This is a great replacement for the uplander who does not need the longer antenna. With this one I do not have nearly as many problems with putting dogs in and out of the box.
 CA Residents: WARNING: Cancer and Reproductive Harm - P65Warnings.ca.gov. Garmin Compact VHF Collar Antenna | ||||||||
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