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Definition: NFC tag

(Near Field Communication tag) An RFID-based electronic device that is made up of a chip and antenna. It can be embedded into other objects such as a business card, poster, prescription bottle or key fob, or it can be a stand-alone sticker that is pasted onto a surface (see NFC sticker).

Types 1, 2 and 4 are based on the ISO/IEC 14443 standard for contactless ID cards. Type 3 tags conform to the X 6319-4c of the Japanese Industrial Standards (JIS). See NFC tags vs. QR codes and NFC.

       Min/Max  Speed   Based on
 Type  Storage  (Kbps)  Standard

   1   96/2KB    106   ISO/IEC 14443A

   2   48/2KB    106   ISO/IEC 14443A

   3   to 1MB    212   JIS X 6319-4c

   4   to 32KB   106   ISO/IEC 14443A&B

   Types 1 and 2 are rewritable.
   Types 3 and 4 come in read-only or
    rewritable versions.