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RFID tracking
LA County is going to experiment with RFID tracking in one of it's jails.
http://www.rfidjournal.com/article/articleview/1601/1/1/ http://www.primidi.com/2005/05/17.html |
Quote from article: "The RFID bracelet sends out a signal every two seconds to RFID readers deployed throughout the facility."
Not as passive as I thought...and the size of a diver's watch. That's pretty big. Perhaps a variation (or advancement) of the card I pass over a "reader" to gain access to my office. |
Basket of knowledge website on this kind of technology:
http://www.schneier.com/blog/archives/2005/05/real_id.html |
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