Abstract: A multimedia device is located in a case of a switch. There is an electric device of the multimedia device set on a panel of the case. By doing so, the multimedia device is used with variety and flexibility.
Abstract: The present invention is a method and apparatus for radio frequency identification, comprising a supporter and a data card which can be connected with the supporter, wherein a user can easily carry and use an RFID data card, and, when co-operated with a supporter, the RFID data card can have wider application.