Contactless smart card, in which the card communicates with and is powered by the reader through RF induction technology,including ID,Mifare,HID Card.requires the main components which is IC chip and antenna to communicate, and is defined in ISO/IEC 14443 and ISO/IEC 15693. Contectlss card can be used for identification, authentication, and data storage, and it also provides a means of effecting business transactions in a flexible, secure, standard way with minimal human intervention.