Garmin Alpha 10 Compact Dog Tracking & Training HandheldGarmin Alpha 10 Compact Dog Tracking & Training Handheld. The Garmin Alpha 10 is the compact, belt clip handheld for hunters who want full Alpha tracking without the larger screen of the 200 or 300 series. Under 6 ounce belt or lanyard form factor with the same 9 mile VHF range, 20 dog tracking capacity, and 18 level training capability as the larger Alpha handhelds. Pairs your phone with the Garmin Alpha app for map display when you need it. Key