Unclonable environmentally-sensitive chipless RFID tag with a plurality of slot resonators

摘要

Chipless RFID tags and methods of using the same are provided. Each RFID tag provided herein can generate a unique and unclonable (unclonable chipless RFID, or UCR) identifier from its intrinsically random manufacturing process. The UCR device can monitor increase in storage temperature beyond that which is appropriate for a specific commodity to which the device is attached.