The best wireless dog fences help keep your pups safe outdoors. We tapped a professional trainer to choose our top 4 picks.

Dog fencing is important for the safety of our pets, but long gone are the days when we need to rely on physical barriers. Many dogs ... systems, wireless radio fence systems, and GPS-enabled ...

For large yards, GPS dog fences ... break. Wireless transmitters don't have the range to cover a lot of ground. Sung Vivathana, co-founder and vice president of SpotOn Fence, says his product ...