• anon_8675309@lemmy.world
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      7 hours ago

      That would get expensive. Get a roll of heavy duty foil and a roll of metal tape (the kind for duct work). Wrap them in a bag made of doubled up heavy duty foil.

        • anon_8675309@lemmy.world
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          3 hours ago

          It generally does. But even if some signal escapes (like if you had to hurry and do this so it wasn’t perfectly sealed), it wouldn’t be that great a signal so communication would definitely be compromised.