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The Astro dog tracking system includes the redesigned Garmin Astro 320– a full-featured, premium handheld GPS device – and a DC™ 40, a wireless collar.
BirdsEye™ Satellite Imagery
Dog Tracking
Map Tracking
TOPO 24K Mapping
Main Menu
Dog List
Mark Waypoints
Dog Info
Calendar
2.6" color display
Enhanced mapping
New, easy-to-use interface
Wireless unit-to-unit data transfer
Integrated GPS antenna
Connects to any standard 1" collar
Bright, reflective, durable collar
Improved charging contacts
Tracking Man’s Best Friend
Has Never Been So Easy
See your dog’s name, direction, distance and status without leaving your map
Stay focused on where you’re going, even when your dog has gone off screen
Wirelessly send, receive or transfer a dog’s name, ID and update rate between units
Keep track of what you did, when you did it, so you can review (or brag) about it later
Create more dashboards in more places with 1 touch access to the icons you want
Find what you’re looking for faster with larger icons and text

Astro 320
- Supports TOPO U.S. 24K and 100K maps, BirdsEye™ Satellite Imagery, City Navigator®, and Garmin Custom Maps
- Up to 30% increased range with redesigned antenna (included)
- New vibration alerts
- New and improved, simplified user interface
- 3-axis electronic compass
- New customizable settings for dog tracklogs
- Compatible with any Garmin DC™ series transmitter
- Waterproof with a tough, rugged exterior – built for the rigors of the outdoors
DC 40
- Dog position updates every 5, 10, 30 or 120 seconds
- Battery life of between 17-48 hours, depending on position and update rate
- Collar Lock lets you create a four-digit PIN number that prevents others from seeing your dog’s whereabouts
- Sports an innovative LED-charging indicator that’s been redesigned to prevent clogging
















