On Wed, Mar 12, 2003 at 10:51:15AM -0800, Mike Rosing wrote: > I think you're over reacting. RFID tags only have a range of centimeters. > You'd need a huge current to power them from more than 1 meter, and that's > just not going to be out on a beach in a hidden way.
This is incorrect. I interviewed one RFID tag maker who said up to 15 feet in free space. Presumably a beefier transmitter or a more sensitive receiver would allow longer ranges. http://news.com.com/2010-1069-980325.html -Declan