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Thread: Why hasn't someone invented a Tracker people can put in their luggage ?
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Old Feb 11, 2008 | 11:42 am
  #10  
gglave
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Originally Posted by tev9999
For live tracking you are going to need a GPS receiver and a communication link via satellite or possibly cellular network.
That's exactly how they work - They use the GPS receiver and/or cellular/WiFi location tracking to determine where they are, then use cellular data networks to back haul the data to a server somewhere.
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