3 ms·
> The card operates on the 13.56 MHz range putting it into the Near Field Communication category (rather than RFID, as is commonly misconceived). https://en.wi
by conradev 10y ago
> The card operates on the 13.56 MHz range putting it into the Near Field Communication category (rather than RFID, as is commonly misconceived).
https://en.wikipedia.org/wiki/Clipper_card#Technology https://en.wikipedia.org/wiki/Clipper_card#Technology
- hueving 10y agoThe important distinction isn't really the frequency. It's that the card has an actual circuit that performs some crypto handshake with the reader. It's not just static information encoded that anyone can just read and duplicate.