The KGPST300V car GPS terminal positioning and monitoring of vehicles, built-in backup battery, high reliability, and are widely used in passenger, rental, public transport, dangerous goods, logistics, shipping, special vehicles, etc.. Selectable reported to the GPS data via GPRS or CDMA. The main functions are as follows: time, location, speed, direction, mileage, state timed real-time reporting. 2 with overspeed alarm, driver fatigue alarm, electronic fence alarm device power outage alarm, collision alarm, emergency alarm function. 3 built-in battery backup in case of power failure can continue to work for about four hours. Monitoring center vehicle remote flameout operation, forcing the vehicle to reduce speed and eventually stop. 5. Monitoring center can remotely monitor the car the grasp site information. Technical parameters: Power supply: vehicle direct power supply, built-in battery, operating voltage 10V ~ 48V 2. Positioning time: cold start <40s, Hot start <15s 3. Positioning accuracy: <15m 4. Velocity accuracy: 0.1 m / s 5. supports channel: GPRS, CDMA 6. reported interval: 15 seconds, the fastest from 5 seconds