... ,contactless card chip,NXP inlay,TK4100 inlay,EM4100 inlay proximity inlay,rfid inlay,contactless card chip,NXP inlay,TK4100 inlay,EM4100 inlayKey ... used RFID technology. The chip we embed in the card is original from EM Microelectronic.Each of the EM marin proximity card ... .Your customized design and sample card are always welcomed. WENLIN proximity inlay,rfid inlay,contactless card chip