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ISO/IEC 14443-4:2001

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

This part of ISO/IEC 14443 specifies a half-duplex block transmission protocol featuring the special needs of a contactless environment and defines the activation and deactivation sequence of the protocol.

This part of ISO/IEC 14443 is intended to be used in conjunction with other parts of ISO/IEC 14443 and is applicable to proximity cards of Type A and Type B.

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