to scan and read data such as credit cards in wallets. The function of RFID wallets and bags is to protect items or devices from these radio waves by blocking them. Faraday bags, on the other hand ...

They're also inexpensive, like the Semorid Slim Aluminum Card Holder with RFID-blocking technology, which retails for under $20. In fact, if you're traveling and looking to pick up an anti-theft ...