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Radio-frequency identification

Microchip rfid rice 2017010505 586dde976d5d1 - Radio-frequency identification

Radio-frequency identification (RFID) is the wireless non-contact use of radio-frequency electromagnetic fields to transfer data, for the purposes of automatically identifying and tracking tags attached to objects. Some tags require no battery and are powered and read at short ranges via magnetic fields. Others use a local power source and emit radio waves (electromagnetic radiation at radio frequencies).

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