ISO/IEC 14443
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ISO/IEC 14443 is the foundational international standard for proximity contactless smart cards operating at 13.56 MHz. It defines the complete communication stack in four parts: physical characteristics (Part 1), RF interface (Part 2), initialization and anti-collision for Type A and Type B (Part 3), and transmission protocol (Part 4). Nearly all NFC tags, payment cards, and identity documents comply with this standard.
ISO/IEC
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14443
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Published 2001
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Rev. 2018
Scope
Proximity coupling identification cards — defines the physical characteristics, RF power and signal interface, initialization, anti-collision, and transmission protocol for contactless cards operating at 13.56 MHz within 10 cm range.