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Antennas of NFC tags are typically made of coils with one or more windings. When current flows through the coil, it generates a field that goes through the center perpendicular to the coil surface. If you put anything conductive (like a circuit board) behind or in front of that coil, it will prevent the magnetic field going through the coil. This reduces ...


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If you take a look at the page of the NFC-forum https://nfc-forum.org/what-is-nfc/about-the-technology/ you can see that every device that has NFC and the NFC-logo supports both ISO/IEC 14443 and ISO/IEC 15693. You also mentioned ISO/IEC 18000. This genrally has nothing to do with NFC and refers to RFID. Back to your two ICs. Both of them will be able to ...


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