August 17, 2016

Is RFID development better than bar codes used?

RFID development

RFID development is better than the bar codes because RFID tags don’t need to be within the line of sight of the reader and bar codes do. This saves time and allows faster processing because assets don’t need to be oriented a certain way to be read.

A bar code is an optical, machine-readable, representation of data; the data usually describes something about the object that carries the barcode. Originally barcodes systematically represented data by varying the widths and spacings of parallel lines, and may be referred to as linear or one-dimensional (1D). Later two-dimensional (2D) codes were developed, using rectangles, dots, hexagons and other geometric patterns in two dimensions, usually called barcodes although they do not use bars as such. Barcodes originally were scanned by special optical scanners called barcode readers. Later applications software became available for devices that could read images, such as smartphones with cameras.

Bar codes can also get wet, damaged, ripped, or removed much more easily than an RFID tag. Tags can hold a distinct serial number, whereas bar codes typically only store the product ID or number and the manufacturer, which leads to multiple units having the same bar code. On the other hand, RFID technology enables the multiple tags to be read at a more versatile range. Tags are much more useful in keeping track of units that have different expiry dates.

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