Can an RFID Blocker Module Be Enclosed in a Metal Card Casing?

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Ask The ExpertsCategory: QuestionsCan an RFID Blocker Module Be Enclosed in a Metal Card Casing?
challanjarrett asked 4 weeks ago
In other words, would it be possible to make a metal RFID blocker card?

—Challan

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Challan,

I do not know what an RFID blocker module is, but if you have a transponder that you do not want to be read, you could encase it in aluminum foil or wrap it in Mylar or any other thin metal. This would prevent radio waves from reaching the tag and powering it up.

Mark Roberti
Founder and Editor
RFID Journal

 

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