{# PADRE SIN ENLACE #} Electronic Collars
{# PADRE SIN ENLACE #} Collars and Leads
{# PADRE SIN ENLACE #} Dog Tracking Systems
{# PADRE SIN ENLACE #} Dog Training
{# PADRE SIN ENLACE #} Bird Launchers
{# PADRE SIN ENLACE #} Hunting Dog Supplies
{# PADRE SIN ENLACE #} For The Hunter

Garmin Alpha T20 Dog Collar

Track your pack with the Alpha T20 dog collar. The rugged yet slim housing is designed to fit a range of breeds and features a user-replaceable flex band. When used with a compatible handheld (sold separately), this collar can track up to 9 miles. Plus, it includes a built-in multicolor...

  • Track your pack with the Alpha T20 dog collar. The rugged yet slim housing is designed to fit a range of breeds and features a user-replaceable flex band. When used with a compatible handheld (sold separately), this collar can track up to 9 miles. Plus, it includes a built-in multicolor LED that makes identifying your dog easy, even in darkness. Get up to 68 hours of battery life with the standard battery pack, or upgrade to the expanded battery pack to get up to 136 hours when using dynamic tracking — which optimizes update rates based on how your dog is moving. And when charging and connected to your network with Wi-Fi® technology, the collar will automatically install the latest software updates.

     

    Key Features:

    • Track your dog at a range of up to 9 miles with updates as frequent as 2.5 seconds when used with a compatible handheld (sold separately)
    • Rugged yet slim design is universally sized to fit large and small breeds
    • User-replaceable flex band 
    • Get extended battery life with dynamic tracking based on your dog’s movement
    • Identify your dog, even in the dark, with a large, easy-to-see multicolor LED; colors include yellow, magenta, cyan, white, green, red or blue
    • Get automatic updates when the Alpha T20 dog collar is charging and connected to your network with Wi-Fi technology
    • Pairs with Garmin dog tracking handhelds such as Alpha and Pro 550 Plus (sold separately)
    • Batteries are user-replaceable and easy to change; when using dynamic tracking, a standard pack lasts up to 68 hours, and an upgraded expanded battery pack lasts up to 136 hours
    • Wi-Fi is a registered trademark of the Wi-Fi Alliance.

     

    Battery Life Breakdown:

    Up to 68 hours using dynamic tracking (default).

    Up to 25 hours with location updates every 2.5 seconds.

    Up to 84 hours with location updates every 2 minutes.

     

    Compatible Handhelds:

    Garmin Alpha 300

    Garmin Alpha 300i

    Garmin Alpha 200 Plus

    Garmin Alpha 200

    Garmin Alpha 200i

    Garmin PRO 550 Plus

    Garmin Alpha 10

    Garmin Alpha 100

    Garmin Astro 430

     

    Garmin Part Number: 010-02447-00

  • Garmin T20 Collar Specifications

    • Dimensions: 3.2" x 1.8" x 1.4" (8.1 x 4.5 x 3.5 cm)

    • Weight:

      • Transmitter and antenna (without collar): 5.9 oz (168.5 g)
      • Total weight (with collar): 8.4 oz (239.5 g)
    • Water Rating: 1 ATM (10 meters)

    • Battery Type: Rechargeable lithium-ion pack (user-replaceable)

    • Battery Life:

      • Standard battery pack (included):

        • Up to 68 hours using dynamic update rate (default mode)
        • Up to 25 hours with 2.5 second update rate
        • Up to 84 hours with 2-minute update rate
      • Extended battery pack (sold separately):

        • Up to 136 hours using dynamic update rate (default mode)
        • Up to 50 hours with 2.5 second update rate
        • Up to 168 hours with 2-minute update rate
    • Interface: USB-C

  • Garmin Alpha T20 Dog Collar

    1" Blue Collar Strap

    Charging Clip

    USB-C Cable

    Documentation

  • Lion Country Supply is now accepting trade-ins on Tri-Tronics and Garmin E-Collar systems, extra collars, and handhelds. The trade-in value you receive will be used towards the purchase of a brand new Garmin, SportDOG, DT Systems, or Dogtra system through Lion Country Supply. We will be accepting both working AND non-working electronics. Please include chargers and accessories if available. More information on the trade in program see, LCS Trade-In Program.

Garmin Alpha 200 & 200i Software Update v9.30

Garmin Alpha 200 & 200i Software Update v9.30

September 19, 2025 1 min read

We’re excited to announce the release of Garmin Alpha 200 and Alpha 200i Software Update v9.30. This update delivers important improvements to help you get even more reliability and performance out of your Alpha handheld in the field.

Read More
Garmin Alpha XL Software Update v5.40

Garmin Alpha XL Software Update v5.40

September 19, 2025 1 min read

Today we’re excited to announce the release of Garmin Alpha XL Software Update v5.40. This update brings important improvements to performance and reliability, helping you get the most out of your Alpha XL handheld while out in the field.

Read More
Garmin Alpha® T20 & TT25 Dog Collar Software Update v2.19

Garmin Alpha® T20 & TT25 Dog Collar Software Update v2.19

August 29, 2025 2 min read

Garmin has released a new software update (v2.19) for the Garmin Alpha® T20 and TT25 dog tracking collars. This update addresses Wi-Fi connectivity issues to ensure smoother updates and more reliable performance when preparing your gear for the field.

Read More