this post was submitted on 26 Jul 2025
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Privacy

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Microwave as ad-hoc Faraday cage? (slrpnk.net)
submitted 1 day ago by MalReynolds@slrpnk.net to c/privacy@lemmy.dbzer0.com
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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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[–] fubarx@lemmy.world 4 points 1 day ago

A while back I used one of these Ubertooth Ones: https://greatscottgadgets.com/ubertoothone/

It could measure and plot signal in the 2.4G spectrum for both Bluetooth and WiFi. One time, my wife tossed a burrito in the microwave. The spectrum chart went nuts. White noise.

Unless microwave shielding has greatly changed, there's a lot of leakage. You're better off getting one of those shield pouches off Amazon or AliExpress.