Talk:RFID

In Germany Metro Group has chosen to replace 10.000 RFID enabled frequent buyer cards with conventional ones because consumers were concerned about the possibility that the RFID-cards could be used to track them in-store

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Yeah. Lets do UWB or Ultra Wide Band next. I have this understanding that it doesn't have a carrier wave making it nearly impossible to detect it's activity or non-activity by conventional means, which is scary.