gps at tracking device for prisoners
     YiHaoTong tracker A9 GPS bracelet wrist ankle tracker for prisoner( gps tracking device for prisoners at home)provides customers with cost-effective advanced solutions. The GPS bracelet wrist ankle tracker for prisoner adopts LBS, wifi, Beidou/GPS multiple positioning to effectively track the real-time trajectory of personnel, with high supervision efficiency and low maintenance cost. Each GPS bracelet wrist ankle tracker for prisoner has an independent IMEI number, which transmits data to the server for real-time upload, and supervisors can complete real-time positioning, trajectory tracking, two-way calls, SMS reception, electronic fences, and health monitoring through mobile phones and computers. real-time tracking. personnel to manage. At the same time, it has a variety of alarm functions: tamper alarm, cross-border alarm, low battery alarm, offline alarm, SOS alarm, etc., which can check the health signs and daily activities of prisoners, so that community correction personnel can get effective supervision.