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Garmin Astro Dog Tracking System

Anyone who hunts with dogs knows how helpful they can be — and what a pain it can be to keep track of them. The Garmin Astro Dog Tracking System ($530) lets you track up to ten sporting dogs at once, with the convenience of a customizable GPS device. It has a range of up to nine miles, thanks to a steel VHF antenna. The top-mounted GPS/GLONASS receiver gives it excellent location performance. Bark detection lets you know when your dog has spotted something, even if he's out of range. A rescue mode helps preserve battery for a longer period of time, in case you and your dog get separated.

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