TracHunt GPS Dog Tracker Tutorial
https://www.aprsz.com/pet-collar/
TracHunt - GPS Hound Tracker is a set of positioning, vibration, electrical stimulation in one of the tracking products. The system consists of GSM / GPRS network module, GPS / BDS module, VHF transmission module, SIM card, battery, and charging circuit.
https://www.aprsz.com/pet-collar/