RFID
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RFID (Radio Frequency Identification)
RFID (pronounced /ɑːrɛfɪd/), or Radio Frequency Identification, is a technology that uses electromagnetic fields to automatically identify and track tags attached to objects. The tags contain electronically stored information.
Etymology
The term RFID is an acronym that stands for Radio Frequency Identification. The term was first used in the late 20th century, with the technology itself being developed and refined over several decades.
Related Terms
- RFID tag: An RFID tag is a small device that can be attached to or incorporated into a product, animal, or person for the purpose of identification and tracking using radio waves.
- RFID reader: An RFID reader is a device used to gather information from an RFID tag, which is used to track individual objects.
- RFID system: An RFID system consists of an antenna and transceiver, which are often combined into one reader (also known as an interrogator), and a transponder, or tag, which is an integrated circuit containing the RF circuitry and information to be transmitted.
- RFID technology: RFID technology refers to the use of radio waves to read and capture information stored on a tag attached to an object.
See Also
- Near Field Communication (NFC): A set of communication protocols that enable two electronic devices, one of which is usually a portable device such as a smartphone, to establish communication by bringing them within 4 cm (1.6 in) of each other.
- Barcode: A method of representing data in a visual, machine-readable form.
External links
- Medical encyclopedia article on RFID
- Wikipedia's article - RFID
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