For a list of devices and what programs are used to install software updates, refer to the compatibility lists below: + Expand all Compatible With Garmin Express Software Collars Alpha® T 20 Alpha® TT™ 25 T 5 mini T 5X TT™ 15 mini TT™ 15X Handhelds Alpha® 10 Alpha® ...
The Garmin TT15 GPS tracker for dogs is capable of being tracked on either the Astro 320 or the Alpha 100 but not simultaneously. To track the TT15 GPS dog collar be sure to update your Garmin Astro 320 ,430, or Alpha 100 software for best performance. This can be easily achieved by...