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First look: Fi Ultra Starlink pet tracker
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First look: Fi Ultra Starlink pet tracker
Tracking your dog anywhere in the US, even in cellular dead zones.
by Jennifer Pattison Tuohy
Jennifer Pattison Tuohy
Senior Reviewer, Smart Home
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and Thomas Ricker
Thomas Ricker
Deputy Editor
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Follow See All by Thomas Ricker
Jul 8, 2026, 1:00 PM UTC
Gus, the wirehaired pointing griffon, models the Fi Ultra while overlooking Charleston Harbor.
Fi Ultra is the first Starlink-enabled pet tracker you can buy. It expands on GPS and LTE trackers, adding automatic failover to T-Mobile’s T-Satellite-branded direct-to-cell service when venturing into cellular dead zones. That lets owners tap into SpaceX’s constellation of low Earth orbit Starlink satellites to track their pets anywhere in the US. But it comes with a few tradeoffs based on our early testing, including relatively poor battery life for a pet tracker.
Built to fit “adventure dogs of any size,” according to the company, the Fi Ultra is designed to be compatible with the dog collar or harness you already use. It costs $199 for the device (plus a $20 activation fee) and requires an $189 annual subscription. Along with LTE cellular connectivity, it features always-on, dual-band GPS, Bluetooth, and Wi-Fi for added precision.
Fi Ultra Dog Tracker
$199
$199
The Fi Ultra is the first dog tracker to combine T-Satellite with Starlink, GPS, and LTE connectivity to help you find your lost dog anywhere. There’s a $189 annual fee, and it only lasts two days on a single charge, but if you go on wild adventures with your pup, it might be worth it.
There’s a 513 mAh battery slated to last two days in this wide 75mm × 40mm × 25mm tracker, which weighs 68g. Its IP68 and IP66K ratings protect against dust and water ingress, including saltwater. It also packs in a small vibration motor and speaker in support of Fi’s new shock-free Callback training system.
To test the Fi Ultra, I drove about an hour away to near the Francis Marion National Forest in South Carolina, where the LTE drops off, and the alligators climb out of the rivers.
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