Meet the Garmin Alpha 200i/TT Dog Tracker: a handheld dog trainer with 18 levels of stimulation, audible tone, and vibration that can be used to monitor up to 20 dogs from up to 9 miles away. It sends location updates every 2.5 seconds using GPS and Galileo satellite systems.
The device has a two-way messaging system. It comes preloaded with TopoActive maps and satellite imagery. The battery lats up to 20 hours.