In article ,
Larry Jaques wrote:
Be sure to buy Faraday cage card cases for them before you go out.
http://tinyurl.com/6o5x25z 93 hits on eBay. Passport covers and wallet
inserts are available, too.

You or somebody else is getting confused with RFID tags which are read
remotely. These have gold contact pads which make contact with contacts in
the machine - like an SD or other memory card.

--
Stuart Winsor

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