Something meant to maintain a high or low temperature. A Thermos or pizza delivery bag or a bag for bringing frozen groceries home. Some might just be foam, but there are also ones with metalic coating or a steel shell.
this post was submitted on 17 Aug 2025
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Does a microwave work?
From what I heard you won't find a real Faraday bag that works well and blocks almost all signals, those found on Amazon are really not that effective and only "military grade" bags could be useful in these kind of threats
Okay. That means I need to chexk the surplus stores. Maybe I will get lucky.
I don't think that if real Faraday bags meant for military work they are avaible in surplus store for civilians
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(2 replies)
You can always test, try calling your phone in different bags
When talking about real and useful bags I'm talking about those that are blocking almost all the frequencies. Putting a device in a Faraday bag means that it's not safe at first so it should be able to block all frequencies not only "call frequencies"
I wonder if I could somehow manage to whip up an experiment using the spectrum analyzer on my flipper zero. I would have to push the button while it is in the bag.
You would need two flipper zero, one outside emitting on several frequencies and one inside trying to catch any frequencies from the outside one
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Why would one want to put their phone in a faraday cage? I know what the cage does, but don't understand why you'd want to use one instead of turning the device off.
Edit: According to this, unless your phone is compromised, turning it off is sufficient.
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