First look: Fi Ultra Starlink pet tracker | The Verge
Overview
Tech Expand Amazon Apple Facebook Google Microsoft Samsung Business See all tech
Reviews Expand Smart Home Reviews Phone Reviews Tablet Reviews Headphone Reviews See all reviews
Details
Science Expand Space Energy Environment Health See all science
Entertainment Expand TV Shows Movies Audio See all entertainment
Policy Expand Antitrust Politics Law Security See all policy
Gadgets Expand Laptops Phones TVs Headphones Speakers Wearables See all gadgets
Verge Shopping Expand Buying Guides Deals Gift Guides See all shopping
Streaming Expand Disney HBONetflix You Tube Creators See all streaming
Transportation Expand Electric Cars Autonomous Cars Ride-sharing Scooters See all transportation
Tech Close Tech Posts from this topic will be added to your daily email digest and your homepage feed. Follow Follow See All Tech
Posts from this topic will be added to your daily email digest and your homepage feed.
Gadgets Close Gadgets Posts from this topic will be added to your daily email digest and your homepage feed. Follow Follow See All Gadgets
Posts from this topic will be added to your daily email digest and your homepage feed.
Science Close Science Posts from this topic will be added to your daily email digest and your homepage feed. Follow Follow See All Science
Posts from this topic will be added to your daily email digest and your homepage feed.
Tracking your dog anywhere in the US, even in cellular dead zones.
Posts from this author will be added to your daily email digest and your homepage feed.
Posts from this author will be added to your daily email digest and your homepage feed.
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 Space X’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
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 m Ah 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. It was easy to attach the tracker to my dog Gus’ collar, thanks to a spring-mounted clasp. But “dogs of any size” feels like a stretch. It looked big on Gus, an 80-pound wirehaired pointing griffon, and it’s easily wider than a Chihuahua’s neck, although toy breeds aren’t known for adventurous hikes.
The Fi Ultra is slim and lightweight, but much wider than any other tracker I’ve tested.
The Fi Ultra connects to the Fi app, which shows a live view of Gus’ location. I simulated a lost-dog emergency by hitting Lost Mode, which ramps up all the radios to attempt to track him in real time (instead of checking in periodically).
Outside of regular LTE, the tracker quickly connected to the Starlink-based T-Satellite network (indicated by a satellite icon in the app), and the map updated about every 2 to 3 minutes, showing where he was relative to me. While relatively slow, this is about the same update interval as when I tested it on 1 bar of LTE in my neighborhood.
Three minutes is a long time, and by the next update, Gus could be anywhere (if he’d actually been on the lamb). But it’s better than nothing, which is the alternative in LTE-dead zones.
The Fi app homepage. You can set safe zones and receive an alert when the dog leaves them.
During my 30-minute live tracking session connected to Starlink satellites, there were a couple of times it got stuck “reconnecting” and didn’t update location for almost 5 minutes.
According to Fi, the tracker prioritizes terrestrial cell towers. But when using T-Satellite, it has to change satellites often while still trying to acquire a terrestrial signal — because even one bar of LTE generally wins over satellite for connection stability. Fi says this sometimes results in reconnection lags as the tracker moves in and out of coverage.
All those radios are tough on a tracker’s battery, and I barely got the promised two days on a charge during my week of testing. I had to charge it daily if I went for a long walk, or every other day when we were less active. During the 30-minute live tracking session alone, it dropped almost 20 percent.
The device is 3 inches wide and about 1/2 an inch thick. It clipped securely onto my dog’s collar.
While it charged in under 2 hours via USB-C, the short battery life makes this more of an expensive tracker for occasional use than an everyday one. Fi’s other trackers, the Fi Mini and Fi 3 Plus collar, can last several weeks on a single charge and offer more features, including health, sleep, and behavior tracking. They are also included with a paid membership.
The company said the battery life is due to the “added power cost of supporting satellite connectivity on top of cellular, plus more frequent high-accuracy location updates.” The device relies more on GPS for always-on tracking, unlike Fi’s non-Satellite-enabled trackers.
Starlink made ‘work from home’ possible from anywhere — now, I’m ready for a change
Tractive’s new dog and cat trackers provide more health insights for your pets
The new Fi Mini pet tracker has GPS, and it’s barely bigger than an Air Tag
Fi’s AI-powered dog collar lets you monitor pet behavior via Apple Watch
However, the Fi Ultra can be added to an existing subscription for a flat fee of $299, which is a better deal long-term than buying it standalone. You can clip it onto an existing Fi collar, and the two devices will work together in the app, giving you confidence that you’re covered when hiking in areas with no cell service, while also getting the benefits of Fi’s standard dog tracker.
I used to live in rural Idaho, where my dog Stanley regularly disappeared down valleys chasing deer, so I understand the appeal of a tracker that works beyond cellular coverage. If you regularly hike or camp in remote areas, Fi Ultra could be worthwhile as an expensive form of insurance. The T-Satellite fallback works and offers real peace of mind. Just be prepared to charge it far more often than a conventional GPS tracker.
Jennifer Pattison Tuohy Close Jennifer Pattison Tuohy Senior Reviewer, Smart Home Posts from this author will be added to your daily email digest and your homepage feed. Follow Follow See All by Jennifer Pattison Tuohy
Posts from this author will be added to your daily email digest and your homepage feed.
Thomas Ricker Close Thomas Ricker Deputy Editor Posts from this author will be added to your daily email digest and your homepage feed. Follow Follow See All by Thomas Ricker
Posts from this author will be added to your daily email digest and your homepage feed.
Accessory Reviews Close Accessory Reviews Posts from this topic will be added to your daily email digest and your homepage feed. Follow Follow See All Accessory Reviews
Posts from this topic will be added to your daily email digest and your homepage feed.
Gadgets Close Gadgets Posts from this topic will be added to your daily email digest and your homepage feed. Follow Follow See All Gadgets
Posts from this topic will be added to your daily email digest and your homepage feed.
Hands-on Close Hands-on Posts from this topic will be added to your daily email digest and your homepage feed. Follow Follow See All Hands-on
Posts from this topic will be added to your daily email digest and your homepage feed.
Reviews Close Reviews Posts from this topic will be added to your daily email digest and your homepage feed. Follow Follow See All Reviews
Posts from this topic will be added to your daily email digest and your homepage feed.
Science Close Science Posts from this topic will be added to your daily email digest and your homepage feed. Follow Follow See All Science
Posts from this topic will be added to your daily email digest and your homepage feed.
Space Close Space Posts from this topic will be added to your daily email digest and your homepage feed. Follow Follow See All Space
Posts from this topic will be added to your daily email digest and your homepage feed.
Space XClose Space XPosts from this topic will be added to your daily email digest and your homepage feed. Follow Follow See All Space X
Posts from this topic will be added to your daily email digest and your homepage feed.
Tech Close Tech Posts from this topic will be added to your daily email digest and your homepage feed. Follow Follow See All Tech
Posts from this topic will be added to your daily email digest and your homepage feed.
Xbox’s bold plan for the future sounds nearly impossible
Are you ready for what it takes to stop ghost guns?
Key Takeaways
- Tech Expand Amazon Apple Facebook Google Microsoft Samsung Business See all tech
- Reviews Expand Smart Home Reviews Phone Reviews Tablet Reviews Headphone Reviews See all reviews
- Science Expand Space Energy Environment Health See all science
- Entertainment Expand TV Shows Movies Audio See all entertainment
- Policy Expand Antitrust Politics Law Security See all policy


