RFID Cards
Radio frequency identification, or RFID, is a generic term for technologies that use radio waves to automatically identify people or objects. There are several methods of identification, but the most common is to store a serial number that identifies a person, object or other information, on a microchip attached to an antenna.
Types of encoding
Individual vendors have defined their own proprietary encoding schemes such as Mifare, Legic and iClass.
Contactless cards have less storage memory than contact cards but the convenience of use is greatly improved.
They are made of:
Security and Convenience
RFID cards continue to grow in popularity because of the convenience they offer in security, identification and access control applications, especially door access where fast, hands-free operation is preferred. RFID cards are low in price and commonly used in applications such as identification cards, keycards, payment cards, asset management and public transit fare cards.
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