Astro 320 with T5/T5 mini - Astro 320 Handheld Device
Installing Software Updates to Dog Tracking Handhelds and Compatible Collars | Garmin Support
Amazon.com: Extended Long Range Upgrade Flexible Receiver Orange Antenna for Garmin GPS Alpha 100 200 200i Astro 220 320 430, Eifagur : Electronics
Amazon.com: IPG for Garmin Alpha 50 Astro 320-430 - 900 Dog Tracking Bundle Screen Protector (2 Units) Invisible Sensitive Ultra HD Clear Film Anti Scratch Skin Guard - Smooth/Self-Healing/Bubble -Free : Electronics
Conkey's Outdoors - Breaking News! Garmin Astro 320 will NOW hook up to Drivetrack 70 after you update your handheld. Take advantage of the sale on the Drivetrack 70 it is $100