... card chip,NXP inlay,TK4100 inlay,EM4100 inlay proximity inlay,rfid inlay,contactless card chip,NXP inlay,TK4100 inlay,EM4100 inlayKey ... unique/EM marin is very mature, simple and widely used RFID technology. The chip we embed in the card is original ... seiral number. It is great solution for.access control, time attendance system which do not require very high security level.We manufacture ...