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Garmin Astro 430 Handheld Dog Tracker


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Quick Overview

Garmin Astro 430 Dog Tracking Handheld: Created with the serious hunter in mind, comes the Garmin Astro 430 GPS & GLONASS tracking system. With numerous advancements over previous collar systems, the Astro 430 offers more accurate and consistent tracking than ever before.

Garmin Astro 430 Front View

More Views

  • Garmin Astro 430 In Hand
  • Garmin Astro 430 Antenna
  • Garmin Astro 430 With Fenix Watch
  • Garmin Astro 430 Top View
  • Garmin Astro 430 Dog Tracker
  • Garmin Astro 430 Tilt
  • Garmin Astro 430 Front View
  • Garmin Astro 430 Side View
  • Garmin Astro 430 Devices
  • Garmin Astro 430 Dog Tracking
  • Rechargeable NiMH Battery, Sold Separately
  • Garmin Astro 430 Back Plate
  • Garmin Astro 430 Back Of Unit


Astro 430 Overview


From Garmin comes the Astro 430 dog tracking system. With new improvements over previous Astro devices you will now have more consistent and accurate tracking than you have ever had before. With the serious hunter in mind, the new Garmin Astro 430 is capable of tracking the most advanced collars Garmin has to offer. This, coupled with the ability to track collars simultaneously with the Alpha 100 and broadcast your dog information on the Garmin Drive Track 70. This new Astro handheld will be hard to beat.

NOTE: The Astro 430 is NOT compatible with Astro 320 or 220.

Important Notes about Compatibility

Compatible Collars:

  • - TT10
  • - TT15 & TT15 Mini (Track Only)
  • - T5 & T5 Mini (When paired with Astro 430 or Alpha system)
  • - New software update allows DC50 tracking (requires DC50 software update; when paired with Astro 430 or Alpha system)

Compatible Handhelds

  • - Alpha 100 (update software, learn how here)


What’s New with the “Astro 430”?

  • Track up to 20 dogs

  • Track the same collars as Alpha users

  • Compatible with other Garmin devices:  Drive Track 70 and Fēnix 3 watches

  • Customizable New Hunt option

  • Highly visible all orange design

  • Use of both GPS and GLONASS satellite systems  

  • Optional NiMH rechargeable battery pack

  • 2.5 sec update rate option


 Product Review Summary: “Astro 430”

 The newest addition to the GPS dog tracking world is the Garmin Astro 430. Garmin has made some real Improvements with the Astro 430 that are not available on the Astro 320.The Astro 430  will be a great Unit for those that like some of the functions of the Alpha 100 but prefer buttons to touch screens or prefer a track only option for more than 10 dogs.  The Astro 430 GPS handheld has a slightly newer look to it as it's case is almost entirely bright orange to help recover a dropped unit in the woods. Something else new is the option to use a rechargeable NiMH battery pack which allows the hunter to recharge the Astro Unit at home or in the truck while driving.

    A new improvement that will be very helpful is the fact that you can now track up to 20 dog GPS collars on your Astro 430 handheld. This is a great improvement over the Astro 320 handled which could only track up to 10 dogs. You can trust that the Astro 430 is going to keep a good eye on your pack with High-sensitivity GPS tracking and the new addition of GLONASS so you can feel confident going into the deep canyons or the thick forest and keep better track of your dog's whereabouts especially with 2.5 second update rate capabilities

The Astro 430 handheld GPS will come preloaded with Garmin TOPO U.S. 100k mapping that will allow you to use your new unit right out of the box. If you are wanting satellite images, Garmin has included a free 1-year Garmin BirdsEye map that you can load onto your GPS handheld where you will be able to see detailed terrain from a different perspective than just plain Topo. The Astro 430 will come with a MicroSD slot that will allow for more mapping such as huntview or landowner cards. Go to your hunt prepared; with free trip planning with basecamp you can save your data or share an area with your friends but always be familiar with where you are going before you go.Like the Garmin Alpha 100 and the Astro 320 you are still able to see your tracking dog’s activity such as if your dog is running, treeing, barking or sitting. You will also still be able to use the 3-axis electronic compass and barometric altimeter on your Astro 430 dog tracking unit.

New to Garmin dog tracking is Hunt Metrics. Hunt Metrics allows you to train your dogs more effectively. You will be able to keep better track of your hunting and training times to see the distance your dog has traveled, their total time in the field, whether they are on point and see their dog score. We feel like this will be a great feature for either building your dog's stamina or training them for trials. We don’t yet understand the dog score or how accurate it will be but we look forward to finding out more about how it works and getting feedback from our customers on how the dog score is working for them.

The Garmin Astro 430 will be compatible with a number of other Astro dog trackers and Alpha Dog trackers. You will have your T5 and T5 mini that will allow you to utilize all of the functions on your Orange Astro 430 as the Astro 430 is a track only like it’s brother the black and orange  Astro 320. You will also be able to track the TT15, the TT15 mini and the DC50 but will not be able to utilize any of the training functions and will be limited to tracking only. A great addition the the Astro 430 is that you can now track all those collars at the same time as an Alpha 100. You can now track your dogs with your whole hunting crew as long as they have an Astro 430 or an Alpha 100 and a T5, T5 Mini, TT15, TT15 mini or DC50. No longer will you have to have the Alpha 100 to enjoy a hunt with your friends. Though it is great that you can now all track the dogs at the same time you will still not be able to track your friends handhelds. Garmin has now released a big screen dog tracking unit called the DriveTrack70 that can save you the hassle by being able to track all the dogs with one handheld and have a screen big enough for your whole hunting crew to watch the tracks on one convenient big screen. You are also able to hook your Astro 430 up with a Garmin Fēnix3 GPS tracking watch to receive dog updates and alerts by just taking a quick glance at your watch. You can also wirelessly switch on your VIRB dog tracking cameras and keep track of your dog box temperatures with your tempe.


Key Features of the Astro 430

  • Track 20 dogs: The Astro 430 handheld comes with the ability to track up to 20 GPS dog tracking collars with a range of up to 9 miles with MURS radio frequency like it’s big brother, the Garmin Alpha 100

  • DriveTrack70: Is compatible with the new Garmin Drive Track 70. Track your dogs with your Astro dog tracking handheld and have the DriveTrack70 on your window so you don’t have to look down at your small handheld when you are dog tracking in the field.

  • Alpha Compatibility: With the New Astro 430 you can now track the same collars as Alpha users.  This is great for People who don’t want or need the Training features of the Alpha Track and Train but still hunt and share dogs

  • State of the Art GPS Tracking: It is now less likely for your collar to lose satellite reception while hunting in heavy cover or deep canyons due to the, highly sensitive top mounted GPS module that now tracks with GLONASS. With GLONASS Both your Handheld and collar is able to receive signals from a total of 49 earth orbiting satellites. That’s 21 more satellites than the 320 and Early versions of the Astro.

  • Track and Control Codes: While linked to an Astro 430 users can Share their dogs with other Astro 430 user’s or Alpha 100 user's allowing Track only, or full control of their collar.  When a user gives only Track permissions their buddies can only track the collar.  They will not be able to change the collar settings like update rates or ID number,  they will also not be able to turn the collar lights on or off .  When Control permissions are given, the second user has full access to Change all settings with the collar.

  • Faster update rate: Capable of turning the collars down to 2.5 sec update rate to keep a closer eye on your dogs.

  • Hunt Metrics: Hunt Metrics makes viewing your dog's performance easy. You can view the distance your dog has traveled, how long they have been out in the field and much more that will allow you to monitor your dog's progress in training and be a helpful tool in fine tuning your program to get the most from your tracking dogs.

  • Customizable New Hunt: You can now customize what dogs you want to keep track information for and which dog tracks you want to clear when you start new hunt.

  • Other Wearable devices: Receive quick updates from your gps tracking collars when you pair your Astro 430 with the Fēnix 3 gps tracking watch. Wirelessly connect your Garmin Astro 430 with compatible devices like Garmin VIRB action cameras and ANT+ Sensors such as the tempe dog box  temperature gauge.

  • Compatible Devices:Track your dogs with a variety of GPS collars. The Astro 430 is compatible with T5 , T5 Mini, TT 15, TT 15 Mini, DC 50, and TT 10 tracking devices but can only provide tracking functions.

  • Pre Installed Topo Map: The Garmin Astro 430 comes preloaded with 100K topo mapping for the entire US. This will provide topographic detail, roads, creeks, streams, rivers, lakes, etc.

  • Batteries: You have the option to power your Astro Tracking handheld with your standard AA batteries or with an optional NiMH rechargeable 2 battery pack

  • High Visible Design: The Astro 430 will come with a vibrant, bright hunter’s orange case which will make finding your Astro GPS  much easier , if you happen to drop it.

Unit Dimensions and Specifications



Handheld dimensions: 2.4” x 6.3” x 1.4” (6.1 x 16.0 x 3.6 cm)

Display size (WxH): 1.43” x 2.15” (3.6 x 5.5 cm); 2.6” diag (6.6 cm)

Display resolution (WxH): 160 x 240 pixels

Display type: Sunlight-readable, transflective, 65-K color TFT

Weight: 9.2 oz (260.1 g) with batteries

Battery life/type: Up to 20 hours/

Water rating: IPX75

Interface: USB

Preloaded mapping Worldwide basemap TOPO U.S. 100K TOPO U.S. 100K

Battery type 2 standard AA, Optional NiMH pack or 2 standard AA

Rechargeable Li-ion (not included)

Garmin Astro 430 Batteries and Battery Life

  1. Rechargeable NiMH battery pack Garmin makes this rechargeable battery pack, which allows you to recharge your Astro 430 at home and in the vehicle just like an alpha 100

  2. AA  Alkaline batteries

  3. AA Lithium ion rechargeable batteries


 Summary for important topic #1:

 Buddy’s Summary and comments about compatibility of the 430

“This device could be one of the more confusing products that we have seen Garmin Launch to date regarding the Astro product line. Essentially the Astro 430 is not compatible with any previous handheld version of the Astro product, however it’s fully compatible with all the Alpha Products. So it’s easy to question why it’s called an Astro and not a “Alpha track only”. It even took me a while to understand the thought process for naming this product an Astro 430. To really understand this I think this is a Long term decision vs. a Short time decision. If we fast forward 2 years from now this will likely make sense and will be easier to comprehend, All (Active) collars that Garmin will be selling in the future will be compatible with all handhelds that Garmin offers from here on out.The Astro users will be able to hunt and track with Alpha users. Looking back to when the Astro was first designed, there were some things that Garmin did early that were clearly a mistake. One of the most important was designing the first Astro units with the 10 Dog Limitation, If Garmin could go back in history and Re-design the Astro 220 to communicate more like the Alpha we would have seen them do that. Having their Astro and Alpha products track using the same style of communication will help them focus their efforts and harden the platform. They will also be able to use their resources for other projects like the DriveTrack 70, AND Fenix watch. I know this step will be frustrating for users that have the Early 10 Dog systems, (Astro 220, and 320)  but sometimes difficult decisions are made for long term objectives. DC30’s DC40’s and 220’s have already been discontinued and are no longer supported. We anticipate that 320’s will be discontinued as well over the next year or two.    At Double U we are servicing those products and will continue to do so with the resources we have. Our recommendation is for users to consider moving to the Alpha 100 or the Astro 430 when it is convenient for you, In the short term it might not make perfect sense,  however In the long run you will be in a good position and save yourself some headaches by having products that are using the current 20 Dog communication platform. We do not see any reason Garmin will be leaving this 20 Dog Platform in the near future. 


What’s in the Box for the Garmin Astro 430

  • Orange Astro 430 handheld

  • 5.0” standard antenna

  • 13.0” Long range antenna

  • USB cable

  • Belt Clip

  • Manual


Frequently Asked Questions

Q: Does the Astro 430  have a touch screen as well as button use?

A: No, the Astro 430 does not have a touch screen. The button layout of the Astro 430 will be the same as the Astro 320.


Q: Can you track a 320 or DC40 and DC30?

A: No, the Astro 430 uses a different transmission pattern than the Astro 320. However, you can track DC50’s, TT10’s, and the Full sized and mini TT15 and T5 collars with the 430

Additional Information

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