This is a power test on the Mini Portable WiFi GPS Signal Jammer. With this video, you can understand the performance of this product
How to obstruct cell phone signals in libraries
Received questions
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I'm a librarian. With the popularization of mobile phones, more and more people have mobile phones. More and more people answer the telephone in the library. The atmosphere in the library was seriously damaged. So I want to know how to block cell phone signals in the library
Second floor
Hello, Mandy
Some coercive measures are needed against such rude behavior. Such as cell phone signal jammer. Such devices can create a blockage around them that blocks cell phone signals. Suitable for use in restaurants.
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If you want to know the frequencies of your country, we can offer you some help:
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