If you want your cat to be able to enjoy the great outdoors, just not outside of your yard, then this could work for you!
The Oscillot Cat Containment System can be pricey though, depending on how big your yard is..
But if you want to let your cat 'roam at home' then it's worth looking into.
If you decide to keep your cat(s) indoors (to avoid being attacked by Coyotes or other predators, run over by a car, or taken by people who may want to harm him/her) then following video has great tips to keep felines happy and healthy!