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Radio chip harvests energy from RFID readers

Spanish firm Farsens has an RFID chip which is powered by harvesting radio frequency energy from commercial UHF RFID readers and communicates with them using EPC C1G2 standard commands. The device also has an SPI interface to drive sensors in a battery-free design. Because the RFID device, called ANDY100, works under standard EPC C1G2 commands any commercial UHF RFID reader can be used just by programing with the correct standard commands.

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