A chipless RFID tag can convey a serial number, though it does not usually use conductive inks or polymers. Instead, such tags use RF-resonant materials in the inks. So, for instance, if you have 20 ...
Global brands will pilot a passive RFID tag from PulpaTronics that transmits a unique ID when interrogated, but without a chip or metal-based antenna. Research out of the U.K. has led to a startup ...
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