Misplaced Pages

ISO/IEC 14443

Article snapshot taken from Wikipedia with creative commons attribution-sharealike license. Give it a read and then ask your questions in the chat. We can research this topic together.
IEC standard
This article relies excessively on references to primary sources. Please improve this article by adding secondary or tertiary sources.
Find sources: "ISO/IEC 14443" – news · newspapers · books · scholar · JSTOR (February 2018) (Learn how and when to remove this message)

ISO/IEC 14443 Identification cards – Contactless integrated circuit cards – Proximity cards is an international standard that defines proximity cards used for identification, and the transmission protocols for communicating with it.

Standard

The standard is developed by ISO/IEC JTC 1 (Joint Technical Committee 1) / SC 17 (Subcommittee 17) / WG 8 (Working Group 8).

Parts

  • ISO/IEC 14443-1:2018 Part 1: Physical characteristic
  • ISO/IEC 14443-2:2020 Part 2: Radio frequency power and signal interface
  • ISO/IEC 14443-3:2018 Part 3: Initialization and anticollision
  • ISO/IEC 14443-4:2018 Part 4: Transmission protocol

Types

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:

  1. data block chaining
  2. waiting time extension
  3. multi-activation

ISO/IEC 14443 uses the following terms for components:

Modulation methods

Type A cards use amplitude-shift keying (ASK) with Modified Miller coding for reader-to-tag communication. For tag-to-reader communication, they use on-off keying (OOK) with Manchester code.

Type B cards use ASK with NRZ coding for reader-to-tag communication and binary phase-shift keying (BPSK) with NRZ-L encoding for tag-to-reader communication.

Both Type A and Type B cards only allow half duplex communication with a 106 kbit per second data rate in each direction. Data transmitted by the card is load modulated with a 847.5 kHz subcarrier. (847.5 kHz is one-sixteenth of the 13.56 carrier frequency provided by the reader.

Physical size

Part 1 of the standard specifies that the card shall be compliant with ISO/IEC 7810 or ISO/IEC 15457-1, or "an object of any other dimension".

Notable implementations

See also

References

  1. ^ "ISO/IEC 14443-2:2020". ISO. Retrieved 2018-12-12.
  2. ^ "ISO/IEC 14443-2:2020". ISO. Retrieved 2020-07-12.
  3. ^ "ISO/IEC 14443-3:2018". ISO. Retrieved 2018-12-12.
  4. ^ "ISO/IEC 14443-4:2018". ISO. Retrieved 2018-12-12.
  5. Fernández-Caramés, Tiago; Fraga-Lamas, Paula; Suárez-Albela, Manuel; Castedo, Luis (24 December 2016). "Reverse Engineering and Security Evaluation of Commercial Tags for RFID-Based IoT Applications". Sensors. 17 (1): 28. arXiv:2402.03591. Bibcode:2016Senso..17...28F. doi:10.3390/s17010028. PMC 5298601. PMID 28029119.
  6. "device doc (download)". ww1.microchip.com.
  7. "Active load modulation Finkenzeller (download)". www.rfid-handbook.de.

External links

ISO standards by standard number
List of ISO standardsISO romanizationsIEC standards
1–9999
10000–19999
20000–29999
30000+
IEC standards
IEC
ISO/IEC
Related
Categories: