RFID - A Tale of Four Continents

The U.S., with its exceptionally benign radio regulations at UHF and enthusiasm for that frequency from Wal-Mart and most of the leading local suppliers, is out of kilter with the rest of the world where HF is remains way ahead. To misquote Mark Twain, “Rumors of its death are premature.” Indeed, HF is staking out new ground such as RFID enabled mobile phones, some labels on drugs, and designer apparel for anti-counterfeiting, and all mass transit ticketing and RFID debit and credit cards.