GPS tracker for tiny Chihuahua under 2kg

Weight is a genuine problem with GPS trackers and tiny dogs — most units sit between 35g and 60g, which is far too heavy for a 2kg Chihuahua to wear safely without putting strain on the neck and spine. There are a couple of lighter options on the market, but it's worth being upfront: even the lightest trackers require a subscription and depend on mobile network coverage. Tell me a bit more — is your Chihuahua an escape risk, or is this more about keeping tabs during walks? And are they already microchipped?

That bolt-out-the-door moment is exactly why people want a tracker — total panic, even if it only happens once. Given she's 2kg and you're in a suburban area with decent mobile coverage, the key here is genuinely just weight. What tracker were you looking at before, or have you already tried one that felt too bulky?

Your friend is right. The Tractive GPS CAT is the one I'd point you toward here. It weighs around 25g — noticeably lighter than the dog version — and it's specifically designed to sit on a lighter frame. For a 2kg Chihuahua it's still on the limit of what I'd consider comfortable, so I'd pair it with a well-fitted harness rather than a collar to spread the weight across her chest instead of concentrating it at the neck. The coverage in suburban areas is generally solid, the app is straightforward, and the subscription runs about £3–4 a month. It's not a perfect solution — nothing is at this size — but it's the most practical option available right now without waiting for the market to catch up with very small breeds.

Tractive offers monthly rolling subscriptions so you can cancel anytime, which is useful if you only want it seasonally or want to try it without committing long-term. They also do annual plans at a lower monthly rate if you decide to stick with it. The tracker itself is a one-off purchase — around £40–50 on Amazon UK — and then the subscription is separate on top. Worth knowing: the tracker won't work at all without an active subscription, so factor that in from day one.

Good call. Just make sure the harness fits snugly — you don't want the tracker bouncing around, which can irritate her and drain the battery faster through movement detection. A figure-of-eight or H-style harness works well for Chihuahuas. Hope she never bolts again, but at least you'll be covered if she does.