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🐕 Dogs 📡 GPS Tracker
Fi
Fi Series 3 Smart Dog Collar
★★★★☆
4.4
(8,234 reviews)
$149
⚠️ Monthly subscription required: $9.99/month
✓ Free shipping with Prime • ✓ 30-day returns
Key Features
- Built-in GPS module in collar (no separate tracker)
- Up to 3 months battery life
- LTE-M and Bluetooth connectivity
- Escape alerts and geofencing
- Step counter and activity tracking
- Lost dog mode with crowd GPS network
- Durable waterproof design
Pros & Cons
👍 Pros
- + Exceptional 3-month battery life is longest in class for GPS collars
- + Integrated design eliminates bulky separate tracker attachments
- + Lost Dog Mode leverages community network for extended search range
- + Superior build quality with reinforced band and IP68 waterproofing
- + Comprehensive activity tracking rivals dedicated fitness trackers
👎 Cons
- - High upfront cost at $149 is double most competitors
- - Premium subscription fee ($9.99/month) required for GPS features
- - GPS accuracy sometimes lags 30-60 seconds behind real-time
- - Limited to dogs over 11 lbs due to collar size and weight
Is This Tracker Right for You?
✓ Ideal For
- ✓ Tech-savvy owners wanting premium features
- ✓ Dogs that frequently escape or wander
- ✓ Owners who forget to charge devices regularly
- ✓ Active dogs needing detailed fitness tracking
✗ Not Ideal For
- ✗ Budget-conscious buyers
- ✗ Small dogs under 11 lbs
- ✗ Cats (designed for dogs only)
- ✗ Those needing second-by-second real-time tracking
Technical Specifications
| Battery Life | up to 3 months |
| Waterproof | IP68 |
| Weight | 42g (module only) |
| Connectivity | LTE-M, Bluetooth, WiFi |
| Min Weight | 5 kg (11 lbs) |
| Sizes | Small, Medium, Large |
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View on Amazon →Last updated: October 18, 2025