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Amazon.com: Garmin Astro 900 Dog Tracking Dog Collar, GPS Sporting Dog Tracking for Up to 20 Dogs, Dog Device Only : Pet Supplies
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The Garmin Astro 220 DC 30 Bundle GPS Dog Tracking System ($599.95 at Amazon.com, Sears, and REI) is designed for hunters and sportsmen but it also works for adventurers who run or
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