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DataBar Expanded Bar Code Symbology

DataBar Expanded is a linear (1D) type bar code that is designed to be scanned in segments similar to DataBar-14. It is variable length with four to 22 segments depending on the amount of data to be encoded. The check character encodes a Mod 211 check value and the number of segments in the symbol. DataBar Expanded encodes all GS1 Application Identifier Element Strings. It has a variable length with a capacity of up to 74 characters. It has a binary-based encoding scheme optimized for Application Identifiers. Special compaction methods have been designed to decrease the symbol size for common element strings such as batch/lot number, variable weight and “best before” date.

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