Title: RFID Tagging

Essay Details

Subject: Technology
Author: Bernard A
Date: December 28, 2016
Level: University
Grade: B
Length: 6 / 1533
No of views: 0
Essay rating: good 0, average 0, bad 0 (total score: 0)

Essay text:

Unlike barcodes, which needs a line-of-sight to be read, RFIDs do not need a line-of-sight. There are two types of RFID tags call active and passive. An active tag uses its own battery power to contact the reader. It works greater distance than passive tags, but has a drawback because of the larger size...

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An active tag uses its own battery power to contact the reader. It works greater distance than passive tags, but has a drawback because of the larger size. A passive tag does not require a battery, but it derives its power from the electromagnetic field created by the signal from the RFID reader. This generates enough power for the tag to respond to the reader with its information, while the range is smaller than active tags, having no battery make the tags useful life almost unlimited and the size much smaller than active tags...

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