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PLEASE SEE MY UPDATED VIDEO! • How to Make a Faraday ...
To test for minimum REQUIRED 50db protection, you DO NOT need to cover devices with foil or faraday bags. You only need a strong AM RADIO SIGNAL OR SCANNER. However, the only way to know how well it works for sure is with a spectrum analyzer, which most people can't afford. Nevertheless, if the radio signal goes away there is a good chance that the cage is providing about 50dB shielding.
A cellphone has a much stronger signal. If you put your cellphone in without foil and you can't call it, then your cage is probably protecting WAY above the minimum 50dB shielding. Don't expect that to happen, though. It took a bit of work, but I was able to seal my cage well enough to even block that cellphone signal.
To test for even more protection, try using 2 way radios. Wrap one in foil the way I did in the video. If it works, anything put in a faraday bag or wrapped in foil like I did, is likely getting about 100db protection! See Dr. Bradley's link below for more information...
NOTE: If the signal still gets through, you may have to create a better seal of the opening rim of the can. I have a can that has a looser lid. It is a larger can. When I put the tape around the opening, it sealed better.
You can also go to disasterpreparer.com to buy a special seal for this.
Behrens 6 Gallon Steel Locking Lid Trash Can
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Professional Grade Aluminum Foil Tape
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TUBTRUGS Small 14 Liter, Red
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It's actually not rubber. It's plastic. It just felt like rubber to me because it is somewhat flexible.
This is Dr. Bradley's KZbin channel. He goes into more detail on reasons use a standard radio and 2 way radios to test the faraday cage.
• Introduction to EMP an...
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