The Astro system includes the redesigned Astro 320 and the rugged, orange polyurethane DC™ 40 transmitter collar. The collar accommodates most e-collar receivers, eliminating the need to put two separate collars on a dog. Plus, Collar Lock creates a 4-digit PIN number that helps prevent others from seeing your dog’s whereabouts — a useful feature in field trials to ensure that an Astro is used only as a recovery tool when a dog in competition becomes lost.

To get started, just take Astro outdoors and turn on the handheld and transmitter to acquire GPS satellite signals. Then attach the DC 40 to your dog. Now you’re ready to turn him loose — no other setup required.

Experience the Improved Astro 320

More intuitive and easier to use, the new Astro 320 takes dog tracking to an entirely new level. The interface streamlines what is displayed by allowing dogs that are outside the current zoom level to have their location notated in the display’s margin. The user also can choose the amount of each dog’s tracklog displayed, or toggle it off completely, to avoid cluttering the map.

The Astro 320, compatible with any Garmin DC series transmitter, also debuts innovative features like enhanced map drawing capabilities, BirdsEye Satellite Imagery compatibility (subscription required), vibration-based alerts and a 3-axis electronic compass.

Thanks to the redesigned antenna, the maximum range between the Astro 320 and a Garmin tracking collar has been increased by nearly 30 percent – up to 9 mi in flat, unobstructed terrain.

Both durable and waterproof, Astro 320 features the legendary toughness that’s built to withstand the elements – be it dust, dirt, humidity or water, none of which are a match for this essential hunting companion.

With its microSD™ card slot, Astro 320 lets you purchase and load TOPO U.S. 24K maps for land elevation contours or City Navigator NT® map data for turn-by-turn routing on roads (see maps tab for compatible maps). Astro 320 also supports BirdsEye Satellite Imagery (subscription required), that lets you download satellite images to your device and integrate them with your maps. Mapping depicts important nearby geographical features – and lets hunters know, for example, if their dog has crossed a creek or is nearing a dangerous road.

In addition, Astro 320 is compatible with Garmin Custom Maps, free software that transforms paper and electronic maps into downloadable maps for your device.

As often as every 5 seconds, your dog’s DC 40 transmits his position to your handheld, and you can see his current location and a trail of where he’s been on the map page of your handheld. Switch over to the Dog Tracker page to view a compass pointing to your dog’s location as well as his current status: whether he’s running, sitting, on point or treeing quarry. Astro also can sound an alarm to let you know instantly when your dog goes on point.

Each dog’s precise distance also can be presented on the map page, and users can choose an option that auto zooms the map so all dogs can be seen on the display at any time. Alternately, dogs that are too far away to fit on the map’s current zoom scale can be notated on the display’s margin in the direction of the dog’s location. The user also can choose the duration that each dog’s tracklog is viewed on the display – or toggle it off completely for a cleaner display.

Astro boasts a high-sensitivity GPS receiver that can track your dog’s position even in the densest cover. You can track up to 10 dogs at one time with Astro, at a distance of up to 9 mi away (depending on terrain). The system transmits information by line-of-sight, so it reaches farthest in flat, open territory.