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CAN/CSA-ISO/IEC 14443-2:18
Identification cards — Contactless integrated circuit cards — Proximity cards — Part 2: Radio frequency power and signal interface
This part of ISO/IEC 14443 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 part of ISO/IEC 14443 does not specify the means of generating coupling fields, nor the means of compliance with electromagnetic radiation and human exposure regulations, which can vary according to country.