August 15th, 2022
A GPS jammer or GPS jammer is a device used to jam or completely block Global Positioning System (GPS) signals operated by the U.S. Department of Defense. It is difficult for such transmitters to correctly receive radio signals (such as radio waves, television, mobile communications or GPS signals). For this purpose, the emitted electromagnetic waves completely or partially superimpose the signals and waves of the interfered transmitter, rendering them unusable. Jammers can operate on the same or adjacent frequencies, the field strength of the jammer and the type of jamming signal wave are important.
Mobile Intelligence's GPS Tracking Transmitter offers the possibility to continue locating the vehicle in the presence of GPS interference. The tracker supports so-called cell positioning (also known as GSM positioning or cell phone positioning) as an alternative. Positioning by triangulation within a mobile radio cell is not as precise as using satellite positioning, but the cell-based GSM positioning system provides surprisingly accurate results, especially in urban areas. In this way, the location of the stolen vehicle can be displayed with an accuracy of a few hundred meters.
Jamming GPS signals requires very little jamming energy to temporarily or completely block GPS signals. Because GPS satellites orbiting more than 20,000 kilometers above the Earth's surface have relatively low transmit power. Even small GPS jammers can jam signals within a radius of about 10 meters. This means that it is no longer possible to GPS track the vehicle with a GPS tracker.
Protection from GPS Jammers and Jammers In areas of particular safety relevance, the use of advanced technology can reduce the effects of GPS jammers. For example, in aviation or the military, special antennas are used that only receive signals from a certain direction. This technology is less practical for logistics and transportation, trade, construction or service companies that use GPS tracking to track cars, trucks or construction machinery in their fleets.
In this regard, there is always some residual risk that GPS positioning will be corrupted by criminal energy to disable anti-theft protection or use the vehicle for unintended purposes. Because buying GPS jammers (cheap devices can be ordered online for less than $80 from most dubious suppliers) and using them can create jamming.
Interpol statistics also prove that locating a car or truck on board with a permanently installed GPS tracker is an effective method of locating stolen vehicles, even if they have been taken abroad.
What are the advantages of high-power mobile phone signal jammers?
How do cell phone signal jammers interfere with the signal?
Will GPS be interfered with by other devices?
How wireless signal jammers work
What are the accessories for signal jammers?
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