The intuitive and easy to use Astro 430 is the new-generation Garmin GPS and GLONASS tracking system for sporting dogs.

Features: 

• Pre-loaded Topography U.S. 100K mapping
• 1- Year bird's eye satellite imagery subscription
• Hunt Metrics dog performance data to analyze your dog's tracking patterns and behaviors.
• Track up to 20 dogs with a 2.5-second update rate so you can quickly pinpoint your dog’s location.