Are you still worried about how to block the WiFi signal? This video will show you how to jam the WiFi signal
The library signal is getting weak
Received questions
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Recently, a very strange thing happened to me when I went to the school library, my mobile phone had almost no signal in the library, and I missed several calls from my friends. What's the reason?
Second floor
There is no scientific basis for this claim. Cell phone jammer emit the same radiation as wi-fi, which is harmless to humans.So there's no need to worry about health effects.
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