Fi Series 3+ GPS Dog Collar and Tracker (FCB3), Size L vs Tractive DOG 6 GPS Pet Tracker (TG6A)
These are side-by-side facts taken from each product guide: published specifications, strengths and caveats as their sources state them. This page is not a test, a ranking or a verdict about which model is better.
Fi Series 3+ GPS Dog Collar and Tracker (FCB3), Size L
Medium and large dogs whose owner will keep a Fi membership running
The Series 3+ is an all-in-one cellular GPS collar with a stainless steel frame, IP68 rating, LED light and wireless charging. Fi states up to three months of battery life, which is unusually long for a cellular tracker. One month of membership is included and it renews after that to keep GPS service active, and part of the warranty Fi advertises is a membership benefit.
Published specifications
- Fi: cellular and GPS tracking; first month of membership included, then renews
- Fi: up to 3 months battery life; wireless charging; charger and USB cable in box
- Fi: industrial stainless steel frame, stated to handle 500 lb of resistance
- Fi: IP68 and IP66K certified, claimed fresh and salt water to 50 m deep
- Fi: modular sizing XS to XL; this ASIN is size L in blue; built-in LED light
- Listing: model and part number FCB3; battery capacity 285 mAh; 2.72 oz
Strengths
- Fi states up to three months of battery, far longer than most cellular trackers
- Stainless frame, IP68 and IP66K rating and wireless charging suit heavy wear
- Escape Alerts, Lost Dog Mode and shared household access come with the app
Caveats
- GPS service stops unless the membership is renewed after the first month
- Neither document read publishes neck sizes or a minimum dog weight per size
- Fi lists an extended warranty as a membership benefit, not a hardware term
Read the full Fi Series 3+ GPS Dog Collar and Tracker (FCB3), Size L guide
Tractive DOG 6 GPS Pet Tracker (TG6A)
Dogs over 8.8 lb whose owner will keep a cellular plan running
The DOG 6 is a cellular GPS tracker with a built-in SIM, so it needs a paid Tractive subscription to report anything at all. Tractive rates it for dogs above 8.8 pounds and collars up to 1.1 inches wide, with up to two weeks of battery when Power Saving Zones are used. It is IP68 waterproof and needs Android 10 or iOS 17 or newer.
Published specifications
- Tractive: built-in SIM; a paid subscription covers the network fees
- Tractive: for dogs above 8.8 lb; fits collar widths up to 1.1 in
- Tractive: 2.8 x 1.1 x 0.7 in, 1.4 oz; IP68, described as 100% waterproof
- Tractive: up to 2 weeks battery, stated with Power Saving Zones in use
- Tractive: LTE/4G Cat1bis, Bluetooth 5.0, 2.4 GHz WiFi; GPS, GLONASS, Galileo
- Tractive: requires Android 10.0+ or iOS 17.0+; box has tracker, USB-C cable, clip
Strengths
- Cellular and GPS, so it reports position without relying on nearby phones
- IP68 rating and a published collar-width limit make fit and water use checkable
- Tractive publishes a full spec table and a clear not-a-medical-device disclaimer
Caveats
- Nothing works without an active paid subscription, since the SIM carries the data
- The two-week battery figure is stated with Power Saving Zones in use
- Listing says two-year warranty; Tractive's own terms supply products as is
How to choose between them
Choose the Fi Series 3+ GPS Dog Collar and Tracker (FCB3), Size L if your situation matches: Medium and large dogs whose owner will keep a Fi membership running. Its main caveat: GPS service stops unless the membership is renewed after the first month.
Choose the Tractive DOG 6 GPS Pet Tracker (TG6A) if your situation matches: Dogs over 8.8 lb whose owner will keep a cellular plan running. Its main caveat: Nothing works without an active paid subscription, since the SIM carries the data.
Both entries repeat what each guide records. Confirm the model, included parts and availability on the current listing before ordering.
Primary sources
- Fi Series 3+ smart collar page, construction, battery and waterproofing Source for Fi Series 3+ GPS Dog Collar and Tracker (FCB3), Size L
- Fi membership page, what the subscription includes Source for Fi Series 3+ GPS Dog Collar and Tracker (FCB3), Size L
- Tractive DOG 6 product page, technical specs table and FAQ Source for Tractive DOG 6 GPS Pet Tracker (TG6A)
- Tractive Inc. General Terms and Conditions for the United States Source for Tractive DOG 6 GPS Pet Tracker (TG6A)
Primary sources checked .