Field Expedient Electronic / RFID Shielding
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Uploader Comments (USNERDOC)
Top Comments
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Much needed and cool, thanks!
You can't always get items that you know don't have an RFID chip in them so for me this is an excellent way to keep, say, a GPS receiver or something incognito until I am in a situation where I feel it's worth the risk to broadcast my position. Of course, I would still try to avoid RFID chips pretty much everywhere, but for some of the more handy/useful items, I can now have more control over my exposure. Maybe those guys with the tinfoil hats were onto something.
1 year ago 4
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There is no end to the versatility of duct tape.
1 year ago 2
All Comments (95)
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how can you possibly know if the last two options work? You put both bags DIRECTLY on top of the others - thereby totally increasing the shielding coefficient of the bags you were trying to test... just saying... please be a LITTLE more scientific in the future - and you may find your results will change significantly..
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@KLipneR Nope, the phone is made of plastic thicker than the electrical tape. For shielding to work, try google for "Faraday Cage", its the same concept of why sometimes phone signal is loss when taking the elevator. It has to be a conductive material, maybe an ESD tape might work...I don't know. Should try.
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@RidgeofEternity A golden box if you want to do the over kill.
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Thanks, all good info, but if the satellites are knocked out it doesn't matter what we have our things in, they want work. I believe this to be the case as I think all satellites, except for the special government sats. will all be knocked out.
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great
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mylar is conductive that is why it works. please note cell phones work from 800 mhz to 2.5 ghz frequencies (different carriers and cell technologies) and gps works on other frequencies. all this test proves is the attenuation of a specific frequency to below the threshold of connection which is higher than the threshold to maintain a connection. the cloth pouch has multiple length strands embedded in the cloth to block all us cell frequencies. it is still not a Faraday cage. think foil chaff
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Maybe this has been answered here already...Do you think this would also be EMP shielded as well? Perhaps not so handy for a cell phone in that instance, however the principles and materials perhaps remain. What do you think Sir? BZ Sea-Bee
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Hmmmm i want some chips!
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@USNERDOC ok thank you, sorry for the double post as well. and yes you are right idk what i was thinking.
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just hit reediyel
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do you think electrical tape would work? instead of using aluminum foil that tears easily you could just wrap it in electrical tape. idk if it blocks RFID tho
KLipneR 1 year ago
@KLipneR - I don't think you are understanding blocking RFID / RF signals. The tape is just a reinforcement for the foil or mylar which does the actual signal blocking.
USNERDOC 1 year ago
Do you think duct tape or electrical tape would work alone? if those work you could skip the aluminum foil. i imagine afer a lot of use the aluminum would start to tear inside.
KLipneR 1 year ago
@KLipneR - the aluminum foil or aluminized mylar is the critical component. The duct tape is merely there to support and reinforce the aluminum foil. Hope that helps.
USNERDOC 1 year ago
Thanks for the many great videos Doc!
Just me, or did everyone keep waiting for him to vaccum seal it?
legaleagle101 1 year ago
@legaleagle101 - You have me figured out my friend! ;-)
USNERDOC 1 year ago