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Radio Frequency Identification

Radiofrequency identification (RFID) is an identification system that uses radio waves to send data and RFID tags or transponders. The first patented RFID device was a passive radio transponder with an integrated memory by Mario Cardullo. At present, the technology has many applications, particularly in the retail industry because of its small size, low power demands, and high levels of efficiency offered. The application of RFID is seen as the next generation of barcode technology currently in use.

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How does RFID tag technology works

RFID introduction RFID tagging technology is successfully used among us. Still, we don’t notice them always and do not think about them as they are not noticeable because we do not have to take any actions to transfer or read any information from RFID tags. But probably everyone notices in big supermarkets, book stores two parallel frame antennas and thicker labels on products you buy, or maybe you have an RFID entrance card at your work. So let’s see how this technology works. RFID is a so-called Radio Frequency Identification system that consists of two main parts: transmitter and receiver. The labels, access cards, and even passports in some countries have RFID transponders integrated. These transponders are called tags. Each tag has information programmed in it. A reader can read this information via the Radio Frequency link. Tags can be very miniature, like thicker paper sheets. The simplest ones have only an antenna and diode. These tags only reflect signals incoming from transmitters. These are tags that are used in supermarkets and other places for securing goods from stealing. If the signal is reflected, an alarm is triggered. When the seller scans the tag, it is electrically destroyed to trigger…

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