Since cats, in general, weigh less than a lot of dogs and are smaller in stature, not all GPS devices for dogs can be used on cats because of the minimum weight requirements for the devices. Tagg, Tractive, and Whistle GPS are suitable for most cats due to the devices’ smaller size and weight.
by 
Although the LOc8tor Plus does not fall into the GPS Tracking category, it can be used to track lost pets, children, and portable items. It uses radio frequencies, so it can be used in locations where cell reception is not available. It’s range is up to 600 feet. In addition to using the Loc8tor Plus …