SS-ISO/IEC-14443-4-AM1 › Cards and security devices for personal identification Contactless proximity objects Part 4: Transmission protocol Amendment 1: Dynamic power level management (ISO/IEC 14443-4:2018/Amd 1:2021, IDT)
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This document 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 document is intended to be used in conjunction with other parts of ISO/IEC 14443 and is applicable to proximity cards or objects of Type A and Type B.
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Designation Name
SS-ISO/IEC 14443-4:2018/Amd 1:2021
Revision Level
2018 EDITION AMENDMENT 1
Status
Superseded
Publication Date
Dec. 28, 2021
Language(s)
English
Page Count
12
International Equivalent
ISO/IEC 14443-4:2018/Amd 1:2021(IDT)