Here is a dog tracker that lets you track your cats and dogs online. The TK-STAR GPS/GSM tracker is waterproof and compatible with iOS and Android devices. You can set a master/SOS number, a move alarm, and more. It is compact and does not make your pet uncomfortable. The pet tracker sets you back under $52.
You may also want to see:
*some of our articles have aff links. Please read our disclaimer on how we fund Exxponent.