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 ...
The security of an RFID system, as with almost any payment or information technology system, depends on how it is set up. If a transit company is issuing transponders with unique serial numbers and ...
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