Binding : Apparel Product Description This prevents your very necessary info in driver license, debit cards, and credit cards from being lost. This RFID block pocketbook has been tested and approved by separate laboratory tests for 13.56 MHz Frequency during which our credit cards, debit cards, driver license and ID cards operate. The signal of some ID badge, access cards, and bedchamber cards that operate in in 125 KHz would not be blocked by this wallet. 0
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