RFID contactless cards are commonly used in Access Control, Payment, Ticketing, Data Transfer, Membership Management.The main components of a Contactless Card are a microchip and an antenna. The microchip controls all communication with the reader, as well as data storage, data encryption and security of access.There are 3 frequency RFID cards which with ISO 18000-2, ISO 14443A or ISO18000-6C:- Low Frequency(LF-125Khz)- High Frequency (HF-13.46Mhz)- Ultra High Frequency (UHF-860-960Mhz