ISO/IEC 14443-3B (NFC-B)
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ISO/IEC 14443-3B (NFC-B) defines the initialization and anti-collision mechanism for Type B contactless communication. Type B uses 10% ASK modulation with NRZ-L coding, providing better noise immunity than Type A in some environments. Type B is primarily used in electronic identity documents, ePassports, and some European banking cards. It is less common in consumer NFC tags but essential for government credential applications.
ISO/IEC
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14443-3B
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Published 2001
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Rev. 2016
Scope
Initialization and anti-collision for Type B contactless cards — defines the modulation scheme, coding, and anti-collision for Type B communication.