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Includes One Year Warranty. . . The Garmin Astro 430/T 5 Mini Bundle is a combination of Astro 430 handheld tracking system and Garmin T 5 Mini Collar device. The Astro 430 is a handheld tracking system which tracks up to 20 dogs at a time, with ranges up to 9 miles using a Garmin T 5 collar device or up to 4 miles with T 5 mini collar device.
Home » Dog Tracking Systems » Garmin Alpha with TT 15 / TT 15 mini Track & Train System Garmin Alpha with TT 15 / TT 15 mini Track & Train System Partnered with the Alpha®100, the TT-15 track and train dog device with collar is a top-mounted, high-sensitivity GPS/GLONASS receiver that uses 18 levels of continuous and momentary stimulation plus audible tone and vibration.