1, positioning monitoring function: in the global scale, real-time continuous monitoring target, to achieve 24/7 positioning monitoring, positioning accuracy within 5 meters.

　　2. Electronic fence function: After setting the forbidden area, when the target goes out and enters the restricted area, the positioning terminal will alarm the preset authorized number or the monitoring center, and send back the longitude, latitude, speed and other data of the target to the control center.

　　3. Emergency alarm function: in case of emergency, you can send a distress signal to the pre-set authorized number or monitoring center through the emergency distress button, and send back the target positioning data.

　　4. Overspeed alarm function: After setting the speed limit for the tracker, the tracker will automatically alarm to the pre-set authorization number or monitoring center when overspeed and send back the target position, speed and other information.

　　5. Mobile alarm function: After the tracker is set as the state of mobile alarm, when the range of movement exceeds 200 meters (configurable), the tracker will automatically alarm to the pre-set authorized number or monitoring center and send back the target position, speed and other information.

　　6, low power alarm function: when the tracker is low power, it will automatically alarm the preset authorization number or monitoring center and upload the location data.

　　7, two-way call function: the tracker has a built-in microphone and speaker, which can realize a hands-free call with the authorized number or monitoring center.

　　8. Automatically save longitude and latitude coordinates When the locator enters the area without GPS signal, it will automatically send the longitude and latitude coordinates of the last time there is a signal to the authorization number A1.

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