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Several types of vehicle tracking devices exist. Typically they are classified as "passive" and "active". "Passive" devices store GPS location, speed, heading and sometimes a trigger event such as key on/off, door open/closed. Once the vehicle returns to a predetermined point, the device is removed and the data downloaded to a computer for ...
Many modern IVMS devices combine both active and semi-passive tracking abilities: when a cellular network is available and a tracking device is connected it transmits data to a server; when a network is not available the device stores data in internal memory and will transmit stored data to the server later when the network becomes available ...
When operating in active mode, the device mimics a wireless carrier cell tower in order to force all nearby mobile phones and other cellular data devices to connect to it. [ 9 ] [ 10 ] [ 11 ] The StingRay family of devices can be mounted in vehicles, [ 10 ] on airplanes, helicopters and unmanned aerial vehicles . [ 12 ]
A GPS tracking unit, geotracking unit, satellite tracking unit, or simply tracker is a navigation device normally on a vehicle, asset, person or animal that uses satellite navigation to determine its movement and determine its WGS84 UTM geographic position (geotracking) to determine its location. [1]
LBT's-886 Asset & Vehicle Tracking Device Receives AT&T Network Certification IRVINE, Calif.--(BUSINESS WIRE)-- Location Based Technologies, Inc. (OTCBB:LBAS) announced that its 3G LBT-886 has ...
A.V.L (Automatic Vehicle Location) This type of vehicle tracking is normally used in the fleet or driver management sector. The unit is configured to automatically transmit its location at a set time interval, e.g. every 5 minutes. The unit is activated when the ignition is switched on/off. E.A.T.S (Events Activated Tracking system)
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