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The standard was developed by the Working Group 8 of Subcommittee 17 in ISO/IEC Joint Technical Committee 1.
Cards may be Type A and Type B, both of which communicate via radio at 13.56 MHz (RFID HF). The main differences between these types concern modulation methods, coding schemes (Part 2) and protocol initialization procedures (Part 3). Both Type A and Type B cards use the same transmission protocol (described in Part 4). The transmission protocol specifies data block exchange and related mechanisms:
ISO/IEC 14443 uses following terms for components: