Garmin Astro 320 Handheld GPS Receiver
The high-sensitivity GPS-enabled Garmin Astro 320 is an ideal dog tracking system that shows your dog’s position even when you can’t see or hear him. Ideal for hunters, this Garmin GPS device comes with increased range, a simple user interface and mapping capability. The rugged polyurethane DC40 transmitter that is a part of this dog tracking system provides Collar Lock that prevents others from seeing your dog’s position. What’s more, this Garmin GPS device features vibration-based alerts and a 3-axis electronic compass. With the microSD card slot of the Garmin Astro 320, you can purchase and load TOPO U.S. 24K maps or City Navigator NT map data.