Two of Garmin’s most popular lines in the dog world – the Alpha and the Astro – are often compared against each other. We have taken the latest in each of these lines and compared the Garmin Alpha 100 against the Garmin Astro 430.

Here’s how they stack up:

Garmin Alpha 100

  • This device is a tracker and remote trainer
  • Can track up to 20 dogs
  • Range is up to 9 miles (with TT15 collar) or 4 miles (with TT15 mini)
  • Comes with pre-loaded TOPO U.S. 100k maps
  • Compatible with Garmin DriveTrack 70 LMT
  • Works with BaseCamp software
  • Includes Tri-tronics electronic dog training technology for remote dog training
  • Various levels & types of stimulation
  • Traditional and Linear stimulation modes
  • Tone and vibration alerts
  • Rescue Mode to extend battery life
  • Price for handheld alone is $599.99
Buying Options

Garmin Astro 430

  • This device is a tracker
  • Can track up to 20 dogs
  • Range is up to 9 miles (with T5 collar) or 4 miles (with T5 mini)
  • Comes with pre-loaded TOPO U.S. 100k maps
  • Compatible with Garmin DriveTrack 70 LMT
  • Works with Basecamp software
  • Does not include Tri-tronics electronic dog training technology
  • No stimulation levels
  • No stimulation modes
  • No tone and vibration alerts
  • No Rescue Mode to extend battery life
  • Price for handheld alone is $449.99
Buying Options