China RFID Em ID White Card 125kHz Clamshell Thick Door ...
2021-9-12u2002·u2002RFID EM ID White Card 125KHz Clamshell Thick Door Access Control Proximity RFID Card 1.8mm How does RFID smart card work? Contact cards have a smart chip embedded in the surface of the card, and it must come into contact with the reader to work.Contactless cards have a chip and antenna system that can wirelessly send the data to the reader once it comes into range.
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