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GPS, Global Positioning System is used by commercial entities, individual and military mainly for navigation purpose. It uses 24 satellites that orbit around the earth and send radio signals for the GPS receiver to receive.

GPS, Global Positioning System is used by commercial entities, individual and military mainly for navigation purpose. It uses 24 satellites that orbit around the earth and send radio signals for the GPS receiver to receive. GPS receiver is now installed in individual handheld units, car navigation system, boat navigation system, highly precise commercial products and military equipment. GPS allows us to get the exact location of vehicles along with the kind of devices included in it. Thus it is great help for the military for tracking enemy camps and their equipment. Police makes use of GPS while tracking criminals or missing person or any lost gadget equipped with GPS receiver. But sometimes there is need to block GPS signals for security purpose. Hence GPS jammer comes into the scene.

GPS operates using triangulation where three separate points are measured to calculate location. Suppose you want to know the location of a vehicle, it will be calculated with the help of three satellites orbiting the earth and the location of the receiver can be calculated within centimeters of its exact location. GPS uses radio signals of specific frequency of 1575.42 MHz for public and non-military use while 1227.6 MHz exclusively for US military purposes. GPS is nothing more than radio waves so a technical device is required to jam these.

GPS jammer can only be created by government, military organizations and spy agent companies. Most civilian do not have the capability and technical support to develop a GPS jammer as it is much more complicated than blocking just a radio signal with general basic radio interference. The GPS jammer sends a strong localized signal which blocks the incoming tracking data. Thus the tracking device is unable to see the signal in order to store the coordinates into the device. GPS jammer is used in military purpose to misguide or confuse the enemy about their location so that they cannot bomb or shoot missiles. Apart from the military use police use these devices to find location of criminal having a GPS receiver. It is also used by courier or truck companies to track the receiver.

With all the advantages of this device, it can also be a threat to the military service. This is because if GPS jammer is used by the terrorists to hide their location then the military won’t be able to track them and will be oblivious of the arriving danger. Thus using GPS jammer illegally is treated as a criminal offense and person involved in such crime is aptly punished.

GPS jammer is nowadays widely used in civilian establishments like movie theatres, churches, temples, mosques, libraries, office and shopping malls. Due to its increased use the competition of this device is great in online markets. If you want to purchase one you need to search for the online store which sells it at the most cost-effective price. The user manual should be provided along with the jammer as you need to understand the procedure of installation of the device. You also need to agree to some terms and conditions provided at the online site for security purpose.

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Nurlan Ospan is the author of this article on Mobile Jammer.
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