Cellular signal jammer can resist external interference

With the rapid increase of mobile phone users, it is almost impossible to avoid interference from other mobile phones of the public. As a result, the United States began to have a small but rapidly developing “maintainer of public order” and began to use direct means, namely cellular signal handheld jammer, to resist interference. “Nowadays, mobile […]

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GPS signal jammer device suddenly quieted the classroom

Every day, more and more people begin to pay attention to defending their privacy. We all know that many newly launched wireless devices can steal our personal information, and we don’t even know it. We use different gadgets every day, including GPS navigators, laptops, laptops and smartphones. But many people don’t even know that criminals […]

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