RFID Technology - Some Basic Info

RFID Technology - Some Basic Info

RFID or Radio Frequency Identification, is the new technology talked about for product identification and data storage that can be utilized where barcodes fail. It's based mostly on the identical idea as barcode except that the strategy of encoding data is totally different since barcodes require a line of sight optical scan. As an computerized identification technology it reads encoded data with the aid of radio frequency waves. Its biggest advantage is that it does not necessarily need a tag or label to be visible to read the data stored.

RFID tags fall into categories, active or passive. Active tags have an inner battery with a read and write option, permitting modification of data. The memory dimension of the tag is variable with some tags having memory area of up to 1 MB. Passive RFID tags do not need an exterior energy supply and instead use the ability generated from the reader. They are therefore lighter, cheaper, and have an unlimited lifetime of operation, unlike active tags have a ten-12 months span. Passive RFID tags are programmed with a particular set of data that cannot be changed and being read-only, they operate as a license plate in a database.

Passive RFID tags have a low-power integrated circuit hooked up to an antenna and a protective packaging is used to enclose it depending on the application it is going for use for. The IC has an on-board memory that stores data. The IC makes use of the antenna to receive and transmit information to an exterior reader, generally referred to as an interrogator. Tags are also called inlays and transponders. In technical terms an inlay is solely a tag on a versatile substrate ready for conversion right into a smart label. The smart label can prolong the fundamental functioning of RFID by combining barcode technology and human readable information. Smart labels include an adhesive label embedded with an RFID tag inlay. Thus they provide the benefits of read range and the unsupervised capability of tags, with the flexibility and convenience of on-demand label printing.

RFID systems have variable frequency ranges, and the frequency level decides their use for applications. Their biggest asset is their operation without a line-of-sight and without contact. Thus they can be read by means of fog and snow, heat and mud, and other environmentally tough conditions where barcodes or every other optical identification systems would fail. Their high reading speeds are one other advantage despite the fact that RFID technology is more expensive.

At present virtually every RFID implementation is completely different due to the performance requirements and price factors besides the signal transmission restrictions. They are used where barcodes prove inadequate but that doesn't men that RFID technology will replace barcodes. The market is big sufficient for each to continue side by side.

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Présentation

PELLAL INTERNATIONAL  est une des sociétés leader Sénégalais dans le domaine de l'exportation et l’importation de fruits et légumes frais particulièrement de la filière BANANE ...

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