What is RFID?

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RFID stands for Radio Frequency Identification. It is a technology that uses radio waves to communicate information between a small electronic device called an RFID tag or transponder and a reader or scanner. The RFID tag contains a small microchip and an antenna, and it can be attached to or embedded in an object, such as a product, animal, or person.

When an RFID tag comes into the range of an RFID reader, the reader sends out a radio signal that activates the tag. The tag then sends back its unique identification number or other data to the reader, which can be used to identify or track the object or person. RFID technology is used in a wide range of applications, such as inventory tracking, access control, payment systems, and transportation logistics.

RFID offers advantages over traditional barcode systems, such as the ability to read multiple tags at once, read tags from a distance without line-of-sight, and store more data on each tag. However, RFID technology also raises privacy and security concerns, as the information on the tags can potentially be read by unauthorized parties.

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This entry was posted in . It was first published in May 2023 ()and last updated on May 6th, 2023 (1 year ago).

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