Ever since I made my Stylish Smartphone Faraday Box videos, countless people have told me to just use a microwave oven, or just use an empty potato chip bag.
Well, no… And yes! It depends.
The truth is that Faraday cages don’t block signals – they attenuate (or weaken) them.
That means that depending on the situation – the phone itself, the signal strength, the microwave oven itself, and so on – it may or may not work.
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9 months ago, I made this video: Make your own stylish smartphone Faraday Box in 10 minutes
Since then, I’ve learned a ton more about Faraday cages, and experimented a lot to make an even BETTER box.
It turns out that my original box was only so-so at blocking Bluetooth. My original testing of Bluetooth blocking was, shall we say, not very thorough. My primary focus was blocking cell network signals.
I also mistakenly assumed that if Bluetooth was blocked, WiFi at 2.4 GHz would also be blocked. Nope! WiFi is much harder to block due to the higher signal strength (among other things).
I’m fired!
To make matters worse, contrary to popular belief, we’re still learning about how Faraday cages actually work!
And so, I give you: Stylish Smartphone Faraday Box: Mark II
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