
Cards and security devices for personal identification -- Contactless proximity objects -- Part 4: Transmission protocol
出版:International Organization for Standardization

专家解读视频
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.
DS/ISO/IEC 14443-4:2018 - Identical
SS-ISO/IEC 14443-4:2018 - Identical
BS ISO/IEC 14443-4:2018 - Identical
CSA ISO/IEC 14443-4 : 2019 - Identical
NEN ISO/IEC 14443-4 : 2018 - Identical
BS ISO/IEC 14443-4:2018 - Identical
DS/ISO/IEC 14443-4:2018 - Identical
CSA ISO/IEC 14443-4 : 2019 - Identical
NEN ISO/IEC 14443-4 : 2018 - Identical
SS-ISO/IEC 14443-4:2018 - Identical