Have you ever wondered how far your dog actually runs when you take it to the park? You could be a standard consumer and purchase a GPS tracking ... The system uses the built-in LED on the ...

Overall, the SportDOG Brand TEK Series 1.5 GPS Tracking + E-Collar System is a ... a GPS dog collar that uses satellite technology is your best bet. The Garmin Alpha 100 and the SportDOG TEK ...