... card chip,NXP inlay,TK4100 inlay,EM4100 inlay proximity inlay,rfid inlay,contactless card chip,NXP inlay,TK4100 inlay,EM4100 ... EM4100/4102 unique/EM marin is very mature, simple and widely used RFID technology. The chip we embed in the card ... great solution for.access control, time attendance system which do not require very high security level.We manufacture both blank card, and pre-printed card ...