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 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
Faraday bags pass through all frequencies smaller then the holes in the conductor.
If you want total blocking of all frequencies you need a solid conductive surface, i.e. a block of metal, or a bucket of ionized water.
So yeah, whatever you got, you need to test with the transceivers on the device.
If you wrap your phone in aluminum foil that should block everything right?
sure, as long as there were no holes at all.
Cell phone frequencies are 2-20 inches so you could have one inch holes with no issue.
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Thanks for the explanation