U-Key

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U-key.jpg

A U-Key is an implementation of the MIFARE RFID chip, encased in a plastic key style housing. It is used as a prepayment system on vending machines[1] and for some self-service diving air compressors[2] in Switzerland

References[edit]

  1. ^ "Microtronic".
  2. ^ "Schweizer Luftverbund".