What is a GS1-128 barcode?
GS1-128 is a barcode type that works from the Code 128 barcode specification. GS1-128 utilizes Application Identifiers to provide more data in a barcode about various things including sell by dates, due dates, packaging dates, serial numbers, production dates, and a variety of other important information that can be of great use in logistics, inventory and tracking operations to name a few. There are 100 GS1 Application Identifiers that can be encoded into a GS1-128 barcode, and they are usually identified within the data-to-encode by putting parentheses around them.GS1-128 has replaced a variety of former barcode types that were meant to perform this same purpose such as UCC/EAN-128, UCC-128 and EAN-128. While GS1 did rename several of these barcode standards based on Code 128, that does not change the actual barcode standards.
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