ISO/IEC 14443-2:2020
Cards and security devices for personal identification — Contactless proximity objects — Part 2: Radio frequency power and signal interface
This document specifies the characteristics of the fields to be provided for power and bi-directional communication between proximity coupling devices (PCDs) and proximity cards or objects (PICCs).
This document does not specify the means of generating coupling fields, nor the means of compliance with electromagnetic radiation and human exposure regulations, which can vary depending on the country.
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Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Symbols and abbreviated terms
5 General considerations
5.1 Initial dialogue
5.2 Compliance
5.2.1 PICC compliance
5.2.2 PCD compliance
6 Power transfer
6.1 General
6.2 Frequency
6.3 Operating field strength
7 Signal interface
8 Communication signal interface Type A
8.1 Communication PCD to PICC
8.1.1 Bit rate
8.1.2 Modulation
8.1.3 Bit representation and coding
8.2 Communication PICC to PCD
8.2.1 Bit rate
8.2.2 PICC load modulation transmission
8.2.3 Subcarrier
8.2.4 Subcarrier modulation
8.2.5 PCD load modulation reception
8.2.6 Bit representation and coding
9 Communication signal interface Type B
9.1 Communication PCD to PICC
9.1.1 Bit rate
9.1.2 Modulation for bit rates of fc/128, fc/64, fc/32, fc/16, fc/8, fc/4, and fc/2
9.1.3 Bit representation and coding
9.2 Communication PICC to PCD
9.2.1 Bit rate
9.2.2 PICC load modulation transmission
9.2.3 Subcarrier
9.2.4 Subcarrier modulation
9.2.5 PCD load modulation reception
9.2.6 Bit representation and coding
10 Electromagnetic disturbance levels
10.1 PCD limits
10.2 PICC limits
Annex A (informative) Complex envelope and constellation diagram
Annex B (informative) Inter symbol interference
Bibliography
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Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Symbols and abbreviated terms
5 General considerations
5.1 Initial dialogue
5.2 Compliance
5.2.1 PICC compliance
5.2.2 PCD compliance
6 Power transfer
6.1 General
6.2 Frequency
6.3 Operating field strength
7 Signal interface
8 Communication signal interface Type A
8.1 Communication PCD to PICC
8.1.1 Bit rate
8.1.2 Modulation
8.1.3 Bit representation and coding
8.2 Communication PICC to PCD
8.2.1 Bit rate
8.2.2 PICC load modulation transmission
8.2.3 Subcarrier
8.2.4 Subcarrier modulation
8.2.5 PCD load modulation reception
8.2.6 Bit representation and coding
9 Communication signal interface Type B
9.1 Communication PCD to PICC
9.1.1 Bit rate
9.1.2 Modulation for bit rates of fc/128, fc/64, fc/32, fc/16, fc/8, fc/4, and fc/2
9.1.3 Bit representation and coding
9.2 Communication PICC to PCD
9.2.1 Bit rate
9.2.2 PICC load modulation transmission
9.2.3 Subcarrier
9.2.4 Subcarrier modulation
9.2.5 PCD load modulation reception
9.2.6 Bit representation and coding
10 Electromagnetic disturbance levels
10.1 PCD limits
10.2 PICC limits
Annex A (informative) Complex envelope and constellation diagram
Annex B (informative) Inter symbol interference
Bibliography