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The Fi Series 3 Smart Collar ($149-$199) is a top pick with a 8.7/10 consensus score across 11 expert reviews. Experts highlight lte gps tracking — real-time location anywhere with cellular coverage and 3-month battery life on a single charge — best in class. Wirecutter says: "The Fi Series 3 is the best GPS dog collar for owners who need real location tra..." Best for: Active dogs, Large yards and parks, Owners wanting real-time GPS.

Fi Series 3 Smart Collar — Must Buy per expert consensus
Must Buy11 Expert Reviews
Price Range$149-$199
Check Price on Amazon →

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Fi Series 3 Smart Collar

Pet Trackers

Consensus Score — 11 experts

8.7/10

Updated April 2026

The Fi Series 3 is the best GPS dog collar for owners who need real location tracking — LTE coverage and 3-month battery life are decisive advantages
Wirecutter8.8/10

Key Features

  • LTE GPS
  • 3-month battery
  • Under-10-second geofence alerts
  • Activity tracking

Best For

Active dogsLarge yards and parksOwners wanting real-time GPS

What Experts Agree On

What Experts Love

  • LTE GPS tracking — real-time location anywhere with cellular coverage
  • 3-month battery life on a single charge — best in class
  • Geofence alerts trigger in under 10 seconds
  • Activity and sleep tracking built in
  • Durable, waterproof design rated for active dogs

Common Criticisms

  • $99/year subscription required for LTE GPS features
  • GPS accuracy degrades under heavy tree canopy
  • Collar attachment requires Fi-specific sizing

What The Experts Say

WI
The Fi Series 3 is the best GPS dog collar for owners who need real location tracking — LTE coverage and 3-month battery life are decisive advantages
Wirecutter8.8/10
TO
Best-in-class battery life makes it the only GPS tracker you can forget about charging for months
Tom's Guide8.6/10

Ready to buy the Fi Series 3 Smart Collar?

Check Price on Amazon

$149-$199 · 11 expert sources · 8.7/10 consensus

Affiliate disclosure: SmartHomeExplorer.com participates in the Amazon Associates program. We earn a commission from qualifying purchases at no extra cost to you. This consensus review is based on 11 independent expert reviews — we did not test this product ourselves. Always verify current prices and availability before purchasing.