The best wireless dog fence for a large dog is the SpotOn GPS Fence: it uses GPS instead of buried wires, lets you draw a boundary of any shape, and is rugged enough for a big, strong dog. If you…

For most large dogs, the Tractive DOG XL is the best GPS collar overall: real-time tracking, unlimited cellular range, and the lowest running cost. The Fi Series 3+ wins on battery life and escape-proof durability, and the Halo Collar 5…

The smart gear worth buying for a large dog, ranked by impact: GPS tracker, dog camera, automatic feeder and toy subscription, with budget-based buying plans.