Istartek PT21 GPS animal tracker has a "Panic button" for emergency functions, the "Panic button" function active a call with one lists of phone numbers. You can control the hours of service of Istartek PT21 GPS animal tracker in real-time by 3 modes: (sending SMS messages, with a smartphone app or from a Tracking Management Platform always online). Istartek PT21 GPS animal tracker can send the following SMS alerts to a mobile phone with scheduled reports of: (geofence, panic button, low battery) every time that detect one of these events. Istartek PT21 it is also a GPS tracker with voice call, support two-way calls, remote listening and SOS call ideal for improve their field service management. The precise fix of Istartek PT21 GPS animal tracker can change depending if PT21 is in outdoor scenario (5-15 meters) or in indoor scenario (10-50 meters), the fix position in indoor scenario is through Wi-Fi signal. Using PT21 in our GPS platform that has European regulations of tachograph, you can control their service routes and manage the care driving or also use our REST API to connect existing applications.