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Radio-frequency identification

technology using electromagnetic fields to automatically identify and track tags attached to objects

Pronunciation
/ˈreɪdɪəʊ - ˈfriːkwənsi ʌɪˌdɛntɪfɪˈkeɪʃən/
/ˈreɪdioʊ - ˈfrikwənsi aɪˌdɛntəfəˈkeɪʃən/
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