1. Positioning monitoring function: On a global scale, real-time continuous monitoring of the target, to achieve 24-hour positioning monitoring, positioning accuracy within 5 meters.

　　2. Electronic fence function: After setting the forbidden area, when the target goes out or enters the forbidden area, the positioning terminal will alarm to the preset authorization number or to the monitoring center, and return the target's latitude, longitude, speed and other data to the control center.

　　3. Emergency alarm function: When encountering an emergency, you can send a distress signal to the preset authorized number or monitoring center through the emergency distress button, and return 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 authorized number or monitoring center and return the target position, speed and other information when overspeeding.

　　5. Mobile alarm function: After the tracker is set to the state of mobile alarm, when the moving range exceeds 200 meters (can be set), the tracker will automatically alarm to the pre-set authorized number or monitoring center and return the target position, speed, etc.

　　6. Low-power alarm function: When the tracker is low-power, it will automatically alarm to the pre-set authorization number or monitoring center and upload location data.

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

　　8. Automatically save the latitude and longitude coordinates When the locator enters an area without GPS signal, it will automatically send the latitude and longitude coordinates of the last signal to the authorized number A1.

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