The use of jammers is very common
Interference makes it difficult or impossible to receive radio signals normally (for example, radio, television, cell phones, GPS, etc.). The radio waves emitted by interference are the same as the radio waves emitted by the interfering transmitter, so normal data transmitted from the base station cannot be recognized.
The most popular jammers on the market are cell phone jammer, GPS jammers, WiFi jammers, and drone jammers, of which mobile phone jammers and GPS jammers are the most common. Due to cell phone interference, the cell phone cannot recognize the normal data sent from the base station and the cell phone cannot connect to the base station. At the moment, mobile phones mainly browse the Internet, there is no signal from mobile phones, and there is no service system.
GPS jammers are primarily used by coaches of long-distance buses and people who do not want to be tracked by GPS signals. GPS interference can effectively prevent the positioning and tracking of GPS satellites. It only interferes with GPS signals and does not affect the answering of the phone. It is small and lightweight. It is usually equipped with a car charger that is convenient to carry.
The application of jammers is very common in the military field. This device makes it difficult for others to use a particular frequency band or the entire frequency band. In addition, it has become a noise obstacle and has been used for a long time as a part of electronic measures such as cars equipped with special jamming devices. It protects the front of the car and prevents attacks such as remote-controlled bombs.
Jammer application
Jammers may be used in certain private areas. For example, German prisons and youth detention centers are equipped with jamming devices to thwart or curb the frequency of nearby unauthorized radio communications, thereby reducing drug trafficking and prison outbreaks. .. In August 2016, a mobile jamming phone was successfully tested in Sankt Polten, Austria. The results show that the test can only prevent prisoners from connecting and does not interfere with outdoor mobile communications. According to statistics, about 60-70 mobile phones are checked every month in prisons across Austria.
Jammers can also prevent remote control of the bomb. In 2007, Pakistan's opposition leader Benazir Bhutto survived because a bus jammer prevented the explosion of a remote-controlled bomb.
During the Iraq War, Iraqis used GPS jammer to jam GPS navigation data, obscuring American cruise missiles and bombers. During the sandstorm, Americans relied on GPS and aerial surveillance radar, but Iraqis were actually using GPS jammers, forcing Americans to shut down this strategic tool.
Jammers are becoming more and more common in our lives, but they should not be used illegally.
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