UPDATE: Garmin has announced an improved collar/transmitter, due for release in the third quarter of 2008.

UPDATE 2: A new model, the Garmin Astro 320, has been released.

UPDATE 3: This model has been discontinued. 

The Garmin Astro GPS dog tracking system was designed with hunters in mind. Imagine a GPS unit that shows your dog’s location (actually up to ten dogs) as far as five miles away!

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