this post was submitted on 26 Jul 2025
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Just occurred to me that the humble microwave should be a fairly effective Faraday cage, certainly for the microwave spectrum, anyone know how good it is for the relevant communication frequencies?

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[–] ogmios@sh.itjust.works 5 points 1 day ago* (last edited 1 day ago) (5 children)

I just tossed my phone in there and I still got a signal.

It's actually super easy to build a simple cage. Just put whatever in a box, wrap the box in foil, then a thin cloth (I used a tea towel), then another layer of foil.

[–] _cryptagion@quokk.au 6 points 1 day ago (1 children)

if you want something a little more convenient, they also sell faraday bags for phones and laptops.

[–] SanctimoniousApe@lemmings.world -2 points 1 day ago* (last edited 1 day ago)

Ahh - the ever ambiguous "they."

/s

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