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BlogsAsk The Experts ForumWhat Brand of Credit Card Sleeves Effectively Block RFID?

What Brand of Credit Card Sleeves Effectively Block RFID?

Posted By RFID Journal, 11.16.2014

Which models have you tested, and which work the best?

—Name withheld

———

We have never tested such products to ensure they work, but my guess is that they all function adequately, as it is easy to block radio waves. In fact, you could simply wrap your card in ordinary kitchen aluminum foil, or line the card pocket of your wallet with foil, and it would block any radio waves from reaching your card, as long it had an RFID transponder in it.

—Mark Roberti, Founder and Editor, RFID Journal

USER COMMENTS

chase cerco 2015-08-18 03:06:53 PM
Foil liners are incompatible with my wallet - they're too bulky for the individual credit card slots in the wallet.
chase cerco 2015-08-18 03:09:02 PM
How can you know that the sleeve is protecting the credit card data?
chase cerco 2015-08-18 03:10:49 PM
"my guess is that they all function adequately ..." doesn't answer the question.

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