Near-field communication

Not to be confused with NFT.

Computer network types
by scale

Near-field communication (NFC) is a set of communication protocols that enables communication between two electronic devices over a distance of 4 cm (1+1⁄2 in) or less.[1] NFC offers a low-speed connection through a simple setup that can be used for the bootstrapping of capable wireless connections.[2] Like other proximity card technologies, NFC is based on inductive coupling between two electromagnetic coils present on a NFC-enabled device such as a smartphone. NFC communicating in one or both directions uses a frequency of 13.56 MHz in the globally available unlicensed radio frequency ISM band, compliant with the ISO/IEC 18000-3 air interface standard at data rates ranging from 106 to 848 kbit/s.

The NFC Forum has helped define and promote the technology, setting standards for certifying device compliance.[3][4] Secure communications are available by applying encryption algorithms as is done for credit cards[5] and if they fit the criteria for being considered a personal area network.[6]

  1. ^ Faulkner, Cameron (9 May 2017). "What is NFC? Everything you need to know". Tech Radar. Archived from the original on 7 May 2017. Retrieved 30 November 2021.
  2. ^ Cite error: The named reference TechEnabler was invoked but never defined (see the help page).
  3. ^ Foresman, Chris (9 February 2011). "Near Field Communications: a technology primer". Ars Technica. Retrieved 3 September 2023.
  4. ^ "Home - NFC Forum". NFC Forum. Archived from the original on 26 December 2015. Retrieved 1 January 2016.
  5. ^ "About the Forum". NFC Forum. Archived from the original on 11 May 2012. Retrieved 7 May 2012.
  6. ^ "Understanding Tokenization" (PDF). Archived (PDF) from the original on 19 September 2020. Retrieved 22 April 2019.
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