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Halo 3 Collar Reviews #4: How To Set Up Fences (Avoid This!)

Halo is a big player in the world of GPS fence collars. Halo 3, the newest model, rolled out with some big upgrades in GPS tech. In this review, I will show you how you can draw the perfect GPS fence with this new Halo collar. I’ll also go over how tiny that fence can get and check the collar’s performance. 

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There are two major updates in the Halo 3 GPS collar:

The first is PrecisionGPS. Just like SpotOn, Halo collar 3 is now using AI to sift through satellite data for more accuracy.

The second is the Active GPS Antenna, which yields fewer signal issues under tree cover or cloudy skies when updating your dog’s location—this collar’s upped its game.

Both of these features are improvements to the Halo collar GPS system to ensure dog owners get real-time location updates right on the Halo app.

If you’re curious about the tech details, I got you covered in a separate Halo 3 Collar Reviews.

Drawing the Fence

GPS dog fence reviewer Zach Lovatt creates a virtual fence with Halo 3.

When it comes to setting up your GPS wireless dog fence, accuracy is key. My advice? Drop your fence markers near recognizable landmarks like trees or buildings you can easily identify on the map. That way you can always cross-check it and be as precise as the tech will allow.

Fence Boundary Test

GPS dog fence reviewer Zach Lovatt does a boundary test with Halo 3.

So, here’s the deal. I’m pretty stoked about the GPS tracking and how accurately the fence came together when I tested the new Halo dog collar. I’ll be trying out the smallest fence they recommend further in this Halo collar review. What about the boundary feedback? It’s getting better, but it’s not a home run just yet. A major step up from my initial experiences with the Halo 2+, though.

The Smallest Fence

SpotOn has always been upfront about needing at least half an acre for a GPS fence. Halo, on the other hand, says that the smallest fence you can create is 250 sq. ft.? This seemed like a stretch, so naturally, I had to see for myself.

GPS dog fence reviewer Zach Lovatt creates a small 250 sq. ft. virtual fence with Halo 3.

In my test, I staked out a 16′ x 16′ square—that’s 256 sq ft. I gave the boundary walk a couple of tries, but no go. The Halo collar app told me that my space was, get this… TOO SMALL. I had to tweak the fence posts manually to get it set up.

I would’ve loved to be proven wrong, but small spaces for virtual fences just don’t jive with current GPS location services of this smart dog collar. Your furry friend would practically need to freeze in place. This isn’t just a Halo hiccup; it’s a GPS-wide phenomenon.


Alright, let’s wrap this up. The Halo 3 tech might not be quite there for a 250 sq. ft. fence.

Got a Halo 2+? Good news: you can get the PrecisionGPS tech with just a firmware update. If you’ve been using your collar lately, you’re probably already up to speed.

I did more Halo collar reviews about whether or not you should upgrade from the 2+ to the 3. Check out Halo 3 Dog Collar Review and Halo 3 Dog Collar Reviews #2 .

Thinking about upgrading to the Halo 3? Don’t forget to use the link below for the best price I know of.

CLICK HERE: check for deals on the Halo Collar →
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