According to reports, in 2007, China equipped military vehicles with WiFi jammers, and North Korea has been repeatedly jamming signals sent by South Korean passenger planes since 2010. The working principle of a wifi jammer is to send its own signal with the same frequency as that of the GPS device. Loud sound prevents it from receiving or sending useful information in the form of sound bursts or continuous waves. Portable jammers can be purchased via the Internet, ranging from small lighters to suitcases, ranging from a few feet to hundreds of feet. You can buy a 2-in-1 jammer, or you can buy a cell phone for a few hundred dollars.
Block signals in specific frequency bands. If needed, you should bring your equipment with you. If so, which type is best for you? In this case, I want to know where to get a high-quality signal. The mobile phone signal gsm jammer is perfect. Each type can have the same function, but they are made of different materials. According to the function and condition of the telephone signal cell phone jammer, there are multifunctional jamming devices, such as gps jammers, mobile phone jammers and WiFi jammers. The telephone is very useful for family communication. Today is the information age. Communication technology plays an important role in all areas of life, industry and agricultural production. Some problems cannot be ignored. The network has security risks. It threatens the privacy of information security. This may constitute a safety risk in production. Destroying GPS has become a new criminal method. Affect social stability. In order to avoid damage to smart phones, mobile phone signal jammers will be introduced.
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