Fi

Fi Series 3+

The Fi Series 3+ is a Fi product in our GPS Trackers & Smart Collars category. Its listed features include: collar-integrated GPS with safe zones and 24/7 escape alerts; battery up to 3 months at low activity; iP68 + IP66K.

Category illustration for GPS Trackers and Smart Collars; not a depiction of Fi Series 3+
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$129.00Check price

Device only; membership charged at activation (1-yr $99 first term, renews $189/yr) - Year-1 total $228

Price checked Oct 2026 — may vary.

Sold by Fi (shop.fitracking.com).

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Key features

  • Collar-integrated GPS with safe zones and 24/7 escape alerts
  • battery up to 3 months at low activity
  • IP68 + IP66K

What to know

Membership renews at full price ($189/yr) after the discounted first term; charging requires the included Fi Base

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