RFID is a method of storing and retrieving data using wireless systems, comprising a tag (also known as a transponder, smartlabel/card/ticket); a reader/scanner, which can be either fixed or hand-held, and a host computer plus software. Applications of RFID technology are expanding rapidly, with worldwide sales of the tags reaching an estimated 1.3 billion in 2006.
RFID technology offers a range of potential benefits in e.g. access control, process safety, medical, collision prevention and personal protection applications. However, RFID systems provide an additional source of exposure to electromagnetic radiation for both operators and the public, with the associated health & safety concerns, which this raises.
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