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For over a decade, most RFID has been practised at High Frequency (13.56MHz). Last year, 50% of the global RFID market value was HF, expenditure on tags and systems at that frequency being ten times the amount spent on RFID at any other frequency. Its dominance was been retained as RFID entered a phase of rapid growth in the last two years mainly because of huge orders such as the $6 billion China national ID card scheme, the e-passport, now issued by over 70 countries, and financial cards such as the MasterCard Paypass. Gas cylinders and marathon runners previously tagged at LF are now tagged at HF.