RFID Technology - Some Primary Info

RFID or Radio Frequency Identification, is the new technology talked about for product identification and data storage that can be utilized the place barcodes fail. It's based on the identical concept as barcode besides that the strategy 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 necessarily want a tag or label to be visible to read the data stored.

RFID tags fall into classes, active or passive. Active tags have an inside battery with a read and write option, permitting modification of data. The memory size of the tag is variable with some tags having memory house of up to 1 MB. Passive RFID tags do not have an external power supply and instead use the power generated from the reader. They are due to this fact 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 can not be modified 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 relying on the application it goes 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 external reader, usually referred to as an interrogator. Tags are also called inlays and transponders. In technical phrases an inlay is just a tag on a versatile substrate ready for conversion right into a smart label. The smart label can prolong the basic functioning of RFID by combining barcode technology and human readable information. Smart labels embody 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 way of fog and snow, heat and dust, and different environmentally robust conditions the place barcodes or some other optical identification systems would fail. Their high reading speeds are one other advantage even though RFID technology is more expensive.

At current virtually each RFID implementation is different because of the performance requirements and cost factors besides the signal transmission restrictions. They are used the place barcodes prove inadequate however that does not men that RFID technology will replace barcodes. The market is big sufficient for each to continue side by side.

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