RFID Tagging
Essay specific features


Written by:
Tamika L
Date added:
September 29, 2015
Level:
University
Grade:
A
No of pages / words:
6 / 1533
Was viewed:
5407 times
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Essay content:
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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