Garmin 320 GPS Dog Tracking Unit

Helping You Get the Most From Your Hunting Dogs

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Garmin Astro 320 Combo Unit with DC-40 Collar

Item Number: GDO-14034
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1. Price:
List Price: $649.99
Our Price: $549.95
(Prices are in U.S. dollars.)

2. Select Options:
Additional Collar: 
Full Coverage USA Topo 100K Card: 
Birdseye Satellite Imagery Card: 


3. Current Status:
Unavailable / Discontinued
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  • Description
  • Related Items
  • Replacement Parts
  • Customer Reviews (12)
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Overall Customer Rating:
4.1 out of 5
4.1 out of 5
9 of 12 (75%) reviewers would recommend this product to a friend.

Take your dog hunting and don't worry about losing your favorite hunting companion again!This is a top-notch, high-sensitivity GPS enabled dog tracking system for sporting dogs. Track your dog’s every position and know exactly where he is at all times, even when you can’t see or hear him. This Combo Unit includes the newest, upgraded Astro 320 handheld and latest DC-40 transmitter collar!

The Garmin Astro system includes a bright color-screen handheld GPS device and a durable and rugged, orange polyurethane DC-40 collar.  The collar strap accommodates most e-collar receivers — so just slip your compatible e-collar receiver right over the DC-40 strap and eliminate the need to put two separate collars on your dog.

Plus, prevent others from seeing your dog’s whereabouts with a special feature called the Collar Lock.  The Collar Lock creates a four-digit PIN number for your unit — this is 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.

Quick and Easy Set-Up to this unit.  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!

Track Dogs in Dense Cover

As often as every five seconds, your dog’s DC-40 transmits his position to your Astro 320 handheld. On the Map page of your handheld, you can track your dog's every location.  Switch over to the Dog Tracker page to view a compass pointing to your dog’s location as well as his current status: view whether he’s running, sitting, on point or treeing quarry. The new three-axis electronic compass (available only on the Astro 320)lets hunters accurately view their dog’s position when holding the handheld at any angle.

When your dog goes on point, Astro can sound an alarm to notify you. In addition to audible alerts, Garmin has also incorporated a new vibration feature on the Astro 320. Astro boasts a high-sensitivity GPS receiver that can track your dog’s position even in the thickest of covers.

Using the Astro’s Covey Counter™, a special waypoint tells you the exact location, time of day and elevation where you found your prey, as well as the number of birds you flushed and took from that location. Mark special waypoints, such as "Truck" and "Lodge," so you can save the location of these places quickly and easily for each hunt. Astro also offers special waypoint icons to represent food plots, tree stands and other hunting-related points.

Don’t ever get lost in the woods again!  The Astro will lead you back to your truck at the end of the day, or even back home again. In fact, the Astro handheld has all the features of Garmin’s top-line handheld outdoor devices, including a barometric altimeter, 3-axis electronic compass, microSD card slot, celestial information, area calculator and rugged, IPX7 waterproof exterior.

With optional detailed city street maps, you can search for over 6 million points of interest and create a route on roads with exact turn-by-turn directions.

Astro 320 Enhancements:

The Astro 320 improves user interface with a simpler menu structure and sophisticated graphics thanks to its vibrant, sunlight-readable 2.6” color display.

The 320 features a built-in worldwide basemap with shaded relief, plus support for enhanced mapping such as BirdsEye™ satellite imagery, Topo maps, and Garmin custom maps.

With an optional BirdsEye Satellite Imagery subscription, hunters can pinpoint buildings, powerlines, and even individual trees – directly on their Astro 320. Garmin’s free BaseCamp software allows hunters and trainers to download, view and save their dog’s tracks to a computer for viewing later – a great tool for evaluating performance.

This sturdy, well-made, tough handheld also has a built-in vibration motor to support silent alerts, a 3-axis digital compass (allowing the hunter to hold the handheld at any angle), improved reception range, a fully rubberized outer coating with an over molding for a better grip, a new keyboard design, and onboard memory for storing additional mapping (1.7 Gigs).

The new handheld also features a safety keypad lock so buttons aren’t accidentally pushed during the hunt. It sports an orange trim color that is especially handy for hunters to spot the unit if it falls out of your pocket or bag during a hunt or is simply misplaced.  This unit has the ability to transfer waypoints, tracks, and even their dog’s tracking settings to other Garmin Astro 320 users wirelessly.

System Includes:

  • Astro 320 handheld
  • DC-40 wireless transmitter collar
  • Carrying case
  • Carabiner clip
  • AC Adapter for DC-40
  • Vehicle power cable for DC-40
  • USB cable
  • Wrist strap
  • Belt clip
  • Owner's manual
  • Quick start manual
  • One Year Warranty

 One Year Consumer Limited Warranty:

Our non-aviation products are warranted to be free from defects in materials or workmanship for 1 year from the date of purchase. Within this period, Garmin will, at its sole option, repair or replace any components that fail in normal use. Such repairs or replacement will be made at no charge to the customer for parts or labor, provided the customer shall be responsible for any transportation cost.  This warranty does not apply to: (i) cosmetic damage, such as scratches, nicks and dents; (ii) consumable parts, such as batteries, unless product damage has occurred due to a defect in materials or workmanship; (iii) damage caused by accident, abuse, misuse, water, flood, fire, or other acts of nature or external causes; (iv) damage caused by service performed by anyone who is not an authorized service provider of Garmin; (v) damage to a product that has been modified or altered without the written permission of Garmin; or (vi) damage to a product that has been connected to power and/or data cables that are not supplied by Garmin. In addition, Garmin reserves the right to refuse warranty claims against products or services that are obtained and/or used in contravention of the laws of any country.
 Garmin Astro 320 Combo Manual

Garmin Astro 320 Combo Unit with DC-40 Collar

Overall Customer Rating:
4.1 out of 5
4.1 out of 5
9 of 12 (75%) reviewers would recommend this product to a friend.
Customer Ratings Snapshot
5 Stars
4 Stars
3 Stars
2 Stars
1 Star
Total Reviews: 12
Already own it? Write a Review
Great product
5 out of 5
5 out of 5
Summary:I am very happy with Garmin Astro 320. It’s amazing! But I recommend that you read everything first about it to learn everything on how to use it properly. This product has made hunting so much easier. I’ve also noticed that we are having more fun when we started using this product. My dog has a lot more freedom and I have more confidence that I have control over him. The GPS feature lets me know his exact location all the time. It’s a very nice feature to have. The unit is also very easy to set up and use.
Pros:Feature, Recommend, Amazing
5 out of 5
5 out of 5
Summary:I love the GPS on this product. It’s just awesome! I’m amazed at how well it works. You can accurately locate your dog’s position using this feature. It’s very high tech and I love it. You can even download maps which make tracking even easier and more fun. I don’t have to worry about where my dog is because I can easily view it with this gadget. Despite its seemingly advanced features, it is actually very user friendly. If you are into hunting, this is a good tool to have. It will greatly assist you during field activities. You will never regret buying this product. I highly recommend it!
Pros:Best Feature, High Technology, Recommend
Garmin Astro 320 is perfect
5 out of 5
5 out of 5
Summary:Garmin Astro 320 product is packed with a lot of great features. My favorite is its GPS feature. It’s just perfect! All hands down to this product. I really have no disappointments with this product. This product is worth every penny spent. I have seen other products at the same price range but do not offer the same features or do not perform as well as this product. This works great especially during hunting. I’ve used it even without the downloadable map and it works great even. When I used the map, it was even better.
Pros:Great Features, Perfect
5 out of 5
5 out of 5
Summary:I officially love Garmin products and the Astro 320 is so far my favorite. It’s performing way beyond my expectations and I’m very happy with it. The collar’s battery seems to be working fine as well and charging it is very easy. Overall, this collar is excellent basing on its performance on the field. Since using this product, I have stopped worrying about my dog. I used to worry about him getting lost when we go out but with the Astro 320, I can easily know his exact location. The maps are very helpful and I wouldn’t mind downloading them. This product has changed the way I track my dog during hunting. It has made my life so much easier.
Pros:Great Tracer, Great Battery
I’m glad I found Garmin
5 out of 5
5 out of 5
Summary:This is another great product from Garmin. I am very pleased with this gadget. It is very easy to use especially for tracking your dog. It has great range even at very rough terrain. Only a slight signal interruption (lasts for a few seconds) but that’s understandable in areas with heavy cover. This gadget allows you to view both your tracks and your dog’s tracks which is really very helpful especially during hunting. So far, it has performed well on the field. This product fits me and my adventurer side perfectly. I’m glad I bought this product. It has made our outdoor trips more exciting.
Pros:Best Tracer, Great Gadget

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Customer Testimonals

Well, you've certainly earned my loyalty by being so conscientious and timely - great follow-up with your email and voicemail. I'm in hunt tests practically every weekend and training sessions through... -Best regards, Joe K.

That's great customer service! I will remember that and tell 10 gun dog friends as well. I always have a positive experience when I buy for you guy's. I'll be back. ... -Thanks, Kelly - Greensboro, NC

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Extreme Customer Care Promises
  • Expert Advise Guarantee - Your phone call will be answered by a hunting dog expert who is eager to help you.
  • 100% Money Back Guarantee - If you're not 100% happy with your purchase return the item and receive a full refund the same business day, no questions asked.
  • Delivery Guarantee - We do what we say we are going to do and if we don't we will refund 110% of the shipping cost.
  • In Stock Guarantee - We stock over 1,750 items and if we say we have it in-stock we do. If for some reason the item goes out of stock and your order is delayed we will issue you a $15 Gift Card to be used towards your next order.

  • Thank you,

    Geoffrey A. English
    Founder and Editor-In-Chief
    "Helping you get the most from your hunting dog."SM

    We suggest the following items:

    • Garmin Astro 320 with DC-50 Collar Image
      This is a top-mounted, high-sensitivity GPS enabled dog tracking system for sporting dogs. Track your dog’s every position and know exactly where he is at all times.
      • Top mounted high-sensitivity
      • GLONASS-enabled GPS receiver
      • Range: 9 Miles
      • Bark Detection

    Replacement Parts:

    • Garmin Astro 320 Handheld Unit Only Image
      Replace your existing Astro 220 handheld with the new, upgraded Astro 320. Or purchase an extra handheld to allow your hunting companion to track your dog at the same time that you do....
      • Tracks up to 10 dogs simultaneously
      • Rugged, waterproof design
      • Range: up to 9 miles 
    • Garmin Astro DC-40 - Additional Collar Image
      The Garmin Asto DC 40 is the transmitter that relays the dog's position to the handler's Garmin Astro 320 and 220. The Astro collar gives location updates as often as every five seconds.

      • Compatible with Astro 320 and 220 systems
      • Range: up to 9 miles
      • Weight: 8.5 ounces
      • User replaceable Li-Ion battery
    • Garmin USB Cable Image
      Transfer all of your personal routes and waypoints, photos and music from your personal computer over to your device by using this USB Cable.
      • Compatible with:
      • Garmin Alpha and Astro
      • Garmin Delta Series
      • Garmin BarkLimiter Deluxe
    • Garmin AC Adapter Image

       This adapter changes your Garmin USB cable into an AC charger.

      • Compatible with:
        Garmin BarkLimiter Deluxe
        Garmin Delta, Delta Sport
        Garmin Delta Upland


    • Garmin Retractable Lanyard Image
      Always keep your Garmin unit close to you.  Garmin has created this retractable lanyard to keep your Garmin safe and secure.
      • Compatible with:
      • Garmin Alpha
      • Garmin Astro 
      • Garmin Delta/Sport/Upland
    • Garmin Vehicle Power Cable Image
      Plug into any 12 V cigarette lighter receptacle to power your Garmin device.

      • Compatible with: 
      • Garmin BarkLimiter Deluxe
      • Garmin Delta/Sport
      • Garmin Delta Upland
    • Garmin Astro DC-50 Image
      The Garmin DC 50 collar is a GPS and GLONASS-enabled dog tracking transmitting collar with bark detection.

      • Top Mounted GPS/GLONASS Receiver
      • Bark Detection
      • Range: 9 miles
      • Compatible:Garmin Astro 320
      • Rechargeable lithium-ion battery