Fundamentals

NFC Forum

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An industry association formed in 2004 by NXP Semiconductors, Sony, and Nokia that develops and promotes NFC standards, specifications, and certification programs. The NFC Forum defines tag types, NDEF, and operating modes.

    


    
    
    

      Also known as:
      
      NFC Forum
      
    

    
  


  




  
  

    
NFC Forum


The NFC Forum is a non-profit industry association founded in 2004 by NXP Semiconductors,
Sony, and Nokia to advance the adoption of Near Field Communication
technology. The organization develops technical specifications, promotes interoperability,
and administers certification programs that ensure NFC products from different
manufacturers work together reliably.


Key Specifications


The NFC Forum maintains a comprehensive suite of specifications organized into several
layers:


    

  • Tag Type definitions (Types 1-5): Define the memory layout, command set, and
  protocol mapping for each tag category. Type 2 (based on ISO 14443 A)
  is the most widely deployed, covering the NTAG family. Type 5 (based on
  ISO 15693) extends NFC to vicinity-range applications.
    • 

  • NDEF (NFC Data Exchange Format): The standardized data container
  format for storing records on tags and exchanging data between devices.
    • 

  • Operating modes: Reader/writer, card emulation, and peer-to-peer — the three
  fundamental interaction patterns for NFC-enabled devices.
    • 

  • Connection Handover: Specifications for using NFC to negotiate and establish
  connections over higher-bandwidth carriers like Bluetooth and Wi-Fi.
    • 



Certification Programs


The NFC Forum operates two certification tracks:


    

  1. NFC Forum Certification: Validates that devices and tags comply with NFC Forum
   specifications for interoperability. Products passing certification may display the
   N-Mark logo.
    2. 

  2. Tag Certification: Ensures tag ICs and finished tags meet the electrical and
   protocol requirements for their declared tag type.
    3. 



Industry Impact


With over 200 member companies spanning semiconductor manufacturers, device OEMs,
card issuers, and system integrators, the NFC Forum shapes the technical foundation
for contactless payments, transit systems, smart packaging, and IoT device provisioning.
The Forum's work on NDEF and tag type standardization is what makes
it possible to write a URL to any compliant tag and have it read correctly by any
compliant device — the interoperability guarantee that underpins the entire NFC
ecosystem.

  

  

  
  
  




  
  
Related Terms

  

  

    
    N-Mark
    
    NFC Forum Certification
    
    NFC Forum Test Suite
    
    Interoperability
    
  





  

  
  

  
  

  
  
  

    
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Frequently Asked Questions


  

    
    

      
      

        
The NFC glossary is a comprehensive reference of technical terms, acronyms, and concepts used in Near Field Communication technology. It is designed for developers, product managers, and engineers who work with NFC and need clear definitions of terms like NDEF, APDU, anti-collision, and ISO 14443.

      

    

    
    

      
      

        
Each glossary term is cross-referenced with related NFC chips, standards, and other terms. For example, the term 'AES-128' links to chips that support AES encryption (NTAG 424 DNA, DESFire EV2/EV3), and the term 'ISO 14443' links to all chips compliant with that standard.

      

    

    
    

      
      

        
Yes. NFCFYI provides glossary definitions in 15 languages including English, Korean, Japanese, Chinese, Spanish, Portuguese, Hindi, Arabic, French, Russian, German, Turkish, Vietnamese, Indonesian, and Thai. Use the language selector in the header to switch languages.