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2. GPS tracking unit - Wikipedia

   en.wikipedia.org/wiki/GPS_tracking_unit

   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] Satellite tracking devices may send special ...

3. SPOT Satellite Messenger - Wikipedia

   en.wikipedia.org/wiki/SPOT_Satellite_Messenger

   SPOT Satellite Messenger. SPOT is a GPS tracking device that uses the Globalstar satellite network [1] to provide text messaging and GPS tracking (depending on the subscription type purchased). [2][3] It has a coverage area that includes a large portion of the planet, with the exception of extreme northern and southern latitudes and parts of ...

4. Vehicle tracking system - Wikipedia

   en.wikipedia.org/wiki/Vehicle_tracking_system

   A vehicle tracking system combines the use of automatic vehicle location in individual vehicles with software that collects these fleet data for a comprehensive picture of vehicle locations. Modern vehicle tracking systems commonly use GPS or GLONASS technology for locating the vehicle, but other types of automatic vehicle location technology ...

5. AN/PSN-13 Defense Advanced GPS Receiver - Wikipedia

   en.wikipedia.org/wiki/AN/PSN-13_Defense_Advanced...

   The AN/PSN-13 Defense Advanced GPS Receiver (DAGR; colloquially, " dagger ") is a handheld GPS receiver used by the United States Department of Defense and select foreign military services. It is a military-grade, dual-frequency receiver, and has the security hardware necessary to decode the encrypted P (Y)-code GPS signals.

6. Stingray phone tracker - Wikipedia

   en.wikipedia.org/wiki/Stingray_phone_tracker

   The StingRay is an IMSI-catcher with both passive (digital analyzer) and active (cell-site simulator) capabilities. 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 ...

7. Twig Com - Wikipedia

   en.wikipedia.org/wiki/Twig_Com

   Twig Com Ltd. (formerly Benefon) is a mobile telecommunications company founded in 2011 and headquartered in Salo, Finland. [1][2] The company develops and manufactures personal safety and GPS tracking products and software for worker protection, telecare, and asset tracking applications. [3] The operation was originally started in 1988 as ...