General FAQs

Usage & Compatibility

• How will I know if the Fi collar has cellular coverage in my area?
• Do I need to have AT&T as my mobile carrier to use the Fi collar?

GPS Tracking & Subscriptions

• Why do I need one subscription per Fi Collar?
• Pricing and Subscriptions

Sizing & Fit

• Martingale Sizing Guide
• What if my puppy is still growing? Is Fi safe for puppies?
• Can I use my dog's current collar with Fi?
• Sizing Guide

General FAQs

• 3rd Party Collar Bands
• What if I have multiple dogs?
• What is Fi's return policy?
• Can I use Fi to track my cat or other pets?
• How far can Fi track my dog?
• When will I receive my order?

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