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Radio Frequency Identification Tags (RFID)

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Radio Frequency Identification Tags (RFID) - definitions

Radio Frequency Identification Tags (RFID) - Radio frequency identification tags (RFID) are transponders, devices that upon receiving a radio signal transmit one of their own. Transponder technology was first developed during World War II as a means of identifying friendly aircraft. While their main function remains identification, they can also be used for detecting and locating objects as well as monitoring an object's condition and environment.

[Category=Information Management ]

Source:, 05 July 2010 09:06:56, External

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RFID - RFID stands for Radio Frequency IDentification. It is an automatic identification method, relying on storing and remotely retrieving data using devices called RFID tags or transponders.

An RFID tag is an object that can be applied to or incorporated into a product, an animal or a person for the purpose of identification or remote tracking through the use of radio waves.

The EDPS released an opinion (pdf) on the issue in December 2007, in which he underlines that RFID systems could play a key role in the development of the European information society, but also that the wide acceptance of RFID technologies should be facilitated by the benefits of consistent data protection safeguards.

[Category=Geospatial ]

European Data Protection Supervisor, 31 July 2011 09:53:03, External

RFID - Radio Frequency Identification (RFID) uses radio waves to uniquely identify objects.

The tags can be active, containing a power source, or passive, simply bouncing a signal using the energy of the reader. Passive tags may be so small that they are hard to see; as of 2004, they can cost as little as 40 cents.

Their use in inventory control and retailing leads to comparisons to bar codes, which are also used in those applications. Bar codes are much less expensive to use but typically, only identify the manufacturer and the model; RFID tags are used to uniquely identify each unit. An additional advantage to RFID is that the signal can be read through most types of packaging--bar codes can only be read if they are directly within sight of the reader. The fact that RFID can be so easily read at some distance, up to 30 feet for passive devices and much longer for active ones, has raised issues about privacy. Once an item has been purchased, in theory, it can still be tracked.

RFID is used in other applications; inserted under the skin to identify pets and link them to their medical records, for example. This is important in the control of rabies and the EU is requiring this as a basic identification for pets that cross EU borders.

Although the technology has been around a long time - it was used to identify friendly bombers in WWII - it is only recently that costs have come down and standards developed to make their use practical across company and country borders.

[Category=Geospatial ]

Source: RSA, 21 August 2011 09:13:59, External

RFID – Radio Frequency Identification; a type of sensor using wireless non-contact radio-frequency electromagnetic fields to transfer data.

[Category=Big Data ]

Source: BigData-Startup, 10 October 2013 09:19:44, External  

radio-frequency identification (RFID) - A technology that uses wireless communications to send information about an object from one point to another.

[Category=Big Data ]

Source: DataInformed, 08 November 2013 09:01:02, External  

RFID - Radio Frequency Identification. RFID tags use Automatic Identification and Data Capture technology to allow information about their location, direction of travel or proximity to each other to be transmitted to computer systems, allowing real-world objects to be tracked online.

[Category=Big Data ]

Bernard Marr, 21 December 2014 10:28:04, External






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