One embodiment in accordance with the present invention includes
implementing a personal digital assistant (PDA) with a wireless personal
identification mechanism. Specifically, the wireless identification
mechanism can be a radio frequency identification (RFID) integrated
circuit which is incorporated on the inside of the rear housing (e.g.,
plastic) of the personal digital assistant. Once the radio frequency
identification integrated circuit has been implemented with an authorized
security code, the personal digital assistant in accordance with the
present embodiment is capable of functioning as a "key" enabling entry
into restricted areas which are secured with non-contact radio frequency
security systems such as corporate campuses, buildings, and/or
laboratories. In this manner, an authorized person does not have to carry
around a separate radio frequency keycard in order to gain access to
restricted areas.