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Step 3Finished.
In my tests the foil is sufficient enough to block the signals to your phone that causes interference with stereo equipment and computer speakers. It blocks the signals so well that when someone tries to call you they get a message that you are unavailable! Your phone doesn't even ring! Its like your phone is not even on!
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A small wallet sized one may block RFID chips in credit cards/Drivers License
Although I am not condoning illegal activity a larger version can be made to fit a libraray book. It might be enough to block the scanners from reading the RFID tags affixed to library books incase you wanted to take home a reference book.
More:
A small wallet sized one may block RFID chips in credit cards/Drivers License
Although I am not condoning illegal activity a larger version can be made to fit a libraray book. It might be enough to block the scanners from reading the RFID tags affixed to library books incase you wanted to take home a reference book.
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