Review on π Diyife Faraday Box, Frosted Version - RFID Signal Blocking Box, Key Fob Protector & Car Key Signal Blocker Box - Carbon Fiber Signal Blocker for Keyless Fob, Phones, and Car Keys by Steven Jackson
Works very well! Easily blocks RF for car keys.
I bought this to prevent the car keys from draining the battery as they were always plugged into my Prius. That looks good too. I keep my wallet and keys in it. I tested my iPhone and it blocks Wi-Fi, Cellular and 5G very well. It also blocks 50MHz from the toy at close range. Too small to test with any HF radios but I bet it will still work great.
- Positive only
- Can be damaged
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