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About This Item

 

Full Description

Provides a half-duplex block transmission protocol featuring the special needs of a contactless environment and defines the activation and deactivation sequence of the protocol.
 

Document History

  1. AS ISO/IEC 14443.4:2022


    Cards and security devices for personal identification - Contactless proximity objects, Part 4: Transmission protocol

    • Most Recent
  2. AS 14443.4-2003

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    Identification cards - Contactless integrated circuit(s) cards - Proximity cards, Part 4: Transmission protocol

    • Historical Version