Answer
Feb 25, 2026 - 01:26 PM
No, the TT25 collar is not compatible with the Astro 320 or 220 Handheld.
Is the collar compatible with the Astro 320 or 220 Handheld? Garmin TT25 Tracking & Training Dog Collar for Alpha Handheld
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Open Feb 25, 2026 - 01:26 PM
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Garmin TT25 Tracking & Training Dog Collar for Alpha Handheld
Garmin Alpha TT25 Tracking & Training Dog Collar for Alpha HandheldRevolutionary Upgrades after 8 YearsAfter nearly 8 years, Garmin has finally released a new collar platform. The Garmin TT25 is a significant upgrade from the TT15 and T5 mini, introduced in June 2015. Unlike the TT15X released l...
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