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RFID Technology - Some Basic Information

RFID Technology - Some Basic Information

RFID or Radio Frequency Identification, is the new technology talked about for product identification and data storage that can be used the place barcodes fail. It is based mostly on the identical concept as barcode except that the tactic of encoding data is different since barcodes require a line of sight optical scan. As an automated identification technology it reads encoded data with the aid of radio frequency waves. Its biggest advantage is that it doesn't essentially want a tag or label to be visible to read the data stored.

RFID tags fall into categories, active or passive. Active tags have an inside battery with a read and write option, allowing modification of data. The memory measurement of the tag is variable with some tags having memory space of up to 1 MB. Passive RFID tags don't have an external energy supply and instead use the facility generated from the reader. They're subsequently lighter, cheaper, and have an unlimited lifetime of operation, unlike active tags have a ten-year span. Passive RFID tags are programmed with a special 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-energy 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 uses the antenna to obtain and transmit information to an external reader, typically referred to as an interrogator. Tags are additionally called inlays and transponders. In technical phrases an inlay is simply a tag on a flexible substrate ready for conversion right into a smart label. The smart label can lengthen the basic 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 comfort 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 way of fog and snow, heat and dust, and other environmentally robust conditions where barcodes or every other optical identification systems would fail. Their high reading speeds are one other advantage even though RFID technology is more expensive.

At current almost each RFID implementation is completely different due to the performance necessities and price factors besides the signal transmission restrictions. They are used the place barcodes prove inadequate however that doesn't men that RFID technology will exchange barcodes. The market is big sufficient for each to proceed side by side.

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