Fi Series 3+
by Fi
€129
Integrated collar with a long battery when a home base is in range.
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Coverage, battery, and fit
Coverage
LTE-M
Subscription
See partner
Battery
up to 3 months
Best for
dog
Why it made the list
Integrated collar with a long battery when a home base is in range.
- weight
- 42 g
- battery
- up to 3 months
- network
- LTE-M
What works — and what to watch
Pros
- Battery: up to 3 months
- Coverage: LTE-M
- Editor pick in this category
Limitations
No standout caveats in the current spec sheet.
Aid, not a fence
Trackers aid recovery; they don't prevent escape. Keep safe zones and leash habits.
Alternatives
Related Guides
Frequently asked questions
Frequently asked questions
Best for dog. Integrated collar with a long battery when a home base is in range.
Check the partner listing — some plans add live or cloud extras.
We compare specs, battery, coverage, and fit for breed and lifestyle. Recommendations are independent research — not paid placements.
Yes. Some links are affiliate links — we earn a small commission at no extra cost to you.
Trackers aid recovery; they don't prevent escape. Keep safe zones and leash habits.
We may earn a commission when you buy through our links — at no extra cost to you. All recommendations are based on independent research and expert reviews.