These collars are GPS-Only collars for the Dogtra Pathfinder GP Tracking System.
The Dogtra Pathfinder brings advanced GPS tracking technology right to your smartphone. Built for hunting competition and events, the Dogtra Pathfinder provides the most accurate and responsive way to track your dog!
Compatible with Google Maps, there are no extra navigation packages to purchase. You can also download free maps and operate your smartphone in the offline map mode.