★ Best Pick
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Best Overall: Fi Series 3 stands apart on battery life: 3+ weeks in normal tracking mode is not a marketing claim — it's what users consistently report. The tracker integrates into a purpose-built smart collar with LTE-M cellular, GPS, and WiFi triangulation for indoor location.
This is a companion discussion topic for the original entry at https://pickly.blog/en/articles/best-dog-gps-tracker-2026/