Description
The Garmin Alpha T 20 is a rugged GPS collar for hunters and trainers who want to reliably track their dog in the field. When paired with a compatible Garmin Alpha handheld, the T 20 provides accurate tracking up to 10 km, with flexible update settings and exceptionally long battery life.
Key features:
Reliable dog tracking
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Tracking range up to 10 km
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GPS and Galileo support
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VHF communication for stable connection
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Suitable for intensive use in forest, field and rough terrain
Dynamic update rate
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Dynamic tracking automatically adjusts updates to save battery power
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Manual update settings possible for maximum control
Standard battery (included)
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Up to 68 hours in dynamic default mode
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Up to 25 hours at an update rate of 5 seconds
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Up to 84 hours at an update rate of 2 minutes
Extended battery (optional)
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Up to 136 hours in dynamic default mode
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Up to 50 hours at an update rate of 5 seconds
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Up to 168 hours at an update rate of 2 minutes
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Rechargeable, user-replaceable lithium-ion battery
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Charging via USB-C
Design and use
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Compact and robust design
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LED beacons with multiple color options for visual recognition
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Sleep mode (when used with Alpha handhelds) to conserve battery power
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Compatible with collars up to 1″ (2.54 cm) wide
Software and updates
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Automatic software updates via Wi-Fi
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Updates occur while charging and when connected to a network
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Always up-to-date without additional actions
General
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Device dimensions (W × H × D): 8.1 × 4.5 × 3.5 cm
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Water resistance: 1 ATM (10 meters)
Battery
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Type: Rechargeable lithium-ion (replaceable by user)
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Interface: USB-C
Sensors and communication
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GPS
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Galileo
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Highly sensitive receiver
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Application frequency: VHF
Features for dog tracking and training
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Tracking range: up to 10 km
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LED beacons: yes
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Sleep mode: yes (Alpha products only)
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Vibration: regionally dependent
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Tone: regionally dependent
Summary
The Garmin Alpha T 20 is a powerful GPS tracking collar with exceptional battery life, flexible update settings and rugged build quality. Ideal for hunters who want to accurately track their dog without training stimulation, and who demand maximum reliability in the field.








