RFID Blocking Card Protection ID - Black

RFID Blocking Card Protection ID - Black Skimming Blocker cards that you put in credit card slots to disrupt the transmission of your RFID chip and thus prevent someone from skimming your card for fraudulent purposes. The RFID protection prevents skimming by blocking signals from NFC readers and creates an electromagnetic field that protects your cards. How does Skimming Blocker work? When someone with an NFC reader comes close to you, the electromagnetic field from the NFC reader immediately activates the Skimming Blocker. It sends out a jamming signal, making all other cards "invisible" to the reader. The card blocks HF RFID signals at 13.56 MHz, completely without batteries Specifications: Dimensions: 9 x 6.3cm Suitable for: Bank card, driver's license Protects against: Radio Frequency Identification