radio frequency identification (RFID) contactless communication systems and their individual components, namely, dedicated portable RFID cards, dedicated RFID readers, RFID writers for writing data to RFID cards, and hand-held electronic devices for authenticating identification or providing physical or logical security access, namely, personal digital assistants (PDA's) and cell phones

RADIO TRANSMITTERS, RADIO RECEIVERS AND RADIO TRANSCEIVERS; WIRELESS, TELEGRAPHIC, TELEPHONIC AND TELECOMMUNICATIONS APPARATUS; AND PARTS THEREOF; AND CELLULAR PORTABLE TELECOMMUNICATIONS APPARATUS