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  2. Radio-frequency identification - Wikipedia

    en.wikipedia.org/wiki/Radio-frequency_identification

    Radio-frequency identification (RFID) uses electromagnetic fields to automatically identify and track tags attached to objects. An RFID system consists of a tiny radio transponder called a tag, a radio receiver , and a transmitter .

  3. Electronic Product Code - Wikipedia

    en.wikipedia.org/wiki/Electronic_Product_Code

    An EPC RFID tag used by Wal-Mart. The Electronic Product Code (EPC) is designed as a universal identifier (using an idiosyncratic numerical code for each different commodity [1]) that provides a unique identity for every physical object anywhere in the world, for all time.

  4. RFID on metal - Wikipedia

    en.wikipedia.org/wiki/Rfid_on_metal

    RFID on metal (abbreviated to ROM) are radio-frequency identification (RFID) tags which perform a specific function when attached to metal objects. The ROM tags overcome some of the problems traditional RFID tags suffer when near metal, such as detuning and reflecting of the RFID signal, which can cause poor tag read range, phantom reads, or no read signal at all.

  5. Contactless payment - Wikipedia

    en.wikipedia.org/wiki/Contactless_payment

    EMV contactless symbol used on compatible payment terminals. EMV stands for "Europay, Mastercard, and Visa", the three companies that created the standard.Contactless payment systems are credit cards and debit cards, key fobs, smart cards, or other devices, including smartphones and other mobile devices, that use radio-frequency identification (RFID) or near-field communication (NFC) for ...

  6. Clipped tag - Wikipedia

    en.wikipedia.org/wiki/Clipped_tag

    The clipped tag is a radio frequency identification (RFID) tag designed to enhance consumer privacy. RFID is an identification technology in which information stored in semiconductor chips contained in RFID tags is communicated by means of radio waves to RFID readers. The most simple passive RFID tags do not have batteries or transmitters. They ...

  7. Label printer - Wikipedia

    en.wikipedia.org/wiki/Label_printer

    RFID readers These are specialized label printers that print and encode at the same time on RFID transponders (tags) enclosed in paper or printable synthetic materials. RFID tags need to have printed information for backwards compatibility with barcode systems, so human users can identify the tag. Label printer applicators

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