EEVblog

Do those RFID/NFC shielded wallets and bags actually work to protect your contactless credit cards?
Systems like VISA PayWave and Mastercard PayPass.
Does aluminium foil work?
Dave does some measurements to find out using a H-Field probe
TekBox EMC probe set: http://amzn.to/1YkCLPO
Teardown video of a 125KHz RFID Tag:    • EEVblog #539 - RFID Tag Card Repair  

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