Mobile jammers appear in various countries
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Mobile jammers are prohibited in various countries, but it often appears in various countries. What is going on?
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Perfectjammer
May 2021
Mobile phones operate on different frequency bands in different countries/regions. It tends to use GSM 900 and 1800 bandwidth in places such as Asia. The United States uses the 850 and 1900 MHz frequency bands. Using different frequencies makes it difficult to interfere with all frequencies. Depending on the frequency you need to block, a suitable smartphone cell phone jammer is important. Mobile phones were blocked from theaters to commuter trains. Cinemas and libraries use these products. I am reading quietly. If approved by the government, Japan can install interfering radio waves in public places such as theaters and concert halls. This device violates personal freedom. Judging that it may affect public safety. He sells cell phone jammers and says that he is expanding his business to all parts of the world. Sometimes I forget to turn off the phone. For many people, mobile phones are essential. When your phone is annoying, Wifi interference is very common.
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