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  2. Radio-frequency identification - Wikipedia

    en.wikipedia.org/wiki/Radio-frequency_identification

    An RFID tag can be affixed to an object and used to track tools, equipment, inventory, assets, people, or other objects. RFID offers advantages over manual systems or use of barcodes. The tag can be read if passed near a reader, even if it is covered by the object or not visible.

  3. Electronic toll collection - Wikipedia

    en.wikipedia.org/wiki/Electronic_toll_collection

    E-ZPass tollbooths, like this one on the Pennsylvania Turnpike in Bensalem Township, Pennsylvania, use transponders to bill motorists.. Electronic toll collection (ETC) is a wireless system to automatically collect the usage fee or toll charged to vehicles using toll roads, HOV lanes, toll bridges, and toll tunnels.

  4. 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 ...

  5. RFID testing - Wikipedia

    en.wikipedia.org/wiki/RFID_testing

    RFID is a wireless technology supported by many different vendors for tags (also called transponders or smart cards) and readers (also called interrogators or terminals). ). In order to ensure global operability of the products multiple test standards have been develo

  6. 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.

  7. Microchip implant (animal) - Wikipedia

    en.wikipedia.org/wiki/Microchip_implant_(animal)

    X-ray image of a microchip implant in a cat. A microchip implant is an identifying integrated circuit placed under the skin of an animal. The chip, about the size of a large grain of rice, uses passive radio-frequency identification (RFID) technology, and is also known as a PIT (passive integrated transponder) tag.

  8. Chipless RFID - Wikipedia

    en.wikipedia.org/wiki/Chipless_RFID

    Chipless rfid operating principle. A. Vena, E. Perret, and S. Tedjini, 2013. Like various existing RFID technologies, chipless RFID tags are associated with a specific RF reader, which questions the tag and recovers the information contained in it. The operating principle of the reader is based on the emission of a specific electromagnetic (EM ...

  9. Phase-jitter modulation - Wikipedia

    en.wikipedia.org/wiki/Phase-jitter_modulation

    Phase-jitter modulation (PJM) is a modulation method [1] specifically designed to meet the unique requirements of passive RFID tags. It has been adopted by the high-frequency RFID Air Interface Standard ISO/IEC 18000-3 MODE 2 for high-speed bulk conveyor-fed item-level identification [2] because of its demonstrably higher data rates.

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