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  1. Radio-frequency identification - Wikipedia

    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.

  2. What Is RFID, and Is It Really a Security Concern?

    Sep 24, 2022 · RFID is essentially a form of electronic bar tag -- one that can be much smaller. A nearby reader can use radiowaves to read the RFID tag without any visual contact. RFID stands for radio-frequency identification. A small chip -- known as an RFID tag -- is attached to or implanted in an object.

  3. What is RFID and how does it work? - TechTarget

    Mar 31, 2021 · Every RFID system consists of three components: a scanning antenna, a transceiver and a transponder. When the scanning antenna and transceiver are combined, they are referred to as an RFID reader or interrogator. There are two types of RFID readers -- fixed readers and mobile readers.

  4. What is RFID? | The Beginner's Guide to How RFID Systems Work

    RFID is an acronym for Radio Frequency Identification which means RFID is the wireless, non-contact use of radio frequency waves to transfer data and identify objects, animals, or humans. RFID systems are usually comprised of an RFID reader, RFID tags, and antennas.

  5. RFID.com - Your Source for RFID Industry Use Cases, News & Tips

    Choose the right RFID tag for your project with a wide selection of form factors, materials, sizes, chip types and read ranges to match your specific needs. HID offers a comprehensive portfolio of RFID tags, as well as custom designs, to support diverse applications.

  6. Radio Frequency Identification (RFID) | www.dau.edu

    RFID refers to technologies that utilize radio waves to automatically identify individual objects. It allows information to be collected automatically without human contact or intervention. An RFID 'system' consists of an interrogator (reader) and a 'tag' (transponder).

  7. Understanding what RFID is and how RFID works

    Jun 16, 2025 · In this guide, we’ll dive into the fundamentals of RFID—its definition, how it works, its core components, application scenarios, and key benefits—to demystify this transformative technology.

  8. Introduction of Radio Frequency Identification (RFID)

    Jul 15, 2025 · RFID (Radio Frequency Identification) is a technology that uses electromagnetic fields to automatically identify and track tags attached to objects. These tags contain electronically stored information that can be read from several meters away, without requiring direct line-of …

  9. What is RFID? Everything you need to know - Checkpoint Systems

    At its core, Radio Frequency Identification (RFID) technology is a system that uses radio waves to transmit data between a reader and an RFID tag. RFID tags are small, electronic devices that store and transmit information.

  10. What is RFID and what RFID hardware is involved

    RFID encompasses technologies that use electromagnetic (radio) waves, part of electromagnetic spectrum, to identify individual items, places, animals, or people. RFID can be appropriately implemented for many different uses.

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