Mobile phone jammers effectively prevent candidates from cheating

Key equipment that has been frequently used in major examination rooms recently. I believe that many people should know the real role of this device. It is a key device vigorously promoted in school examinations, which can effectively prevent and prevent candidates from cheating. That is today’s protagonist: cell phone jammer. There are less than 100 […]

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Cell phone signal jammers have been selling well in the world

Mobile phone jammer is a new type of environmental protection information security and confidentiality product newly developed by applying modern high technology. The working principle of this product is roughly the same as that of the communication signal source. A fan-shaped shielding space is customized according to the power of the shielding device, and the […]

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