
GS1 DataBar Omnidirectional is a linear symbology that facilitates omnidirectional scanning. It encodes 14 digits of numerical data used to identify Global Trade Item Numbers (GTIN) for scanning in the supply chain (Application Identifier ‘01‘).
GS1 DataBar Omnidirectional can be scanned and decoded in four segments and then reconstructed. This aids in facilitating omnidirectional scanning. Each segment consists of a data character and its adjacent finder pattern.
GS1 DataBar Omnidirectional is dimensioned as 96X wide by 33X high (X= "X" dimension or narrow bar width).
GS1 DataBar Omnidirectional is the full height version of this part of the family.

This form of GS1 DataBar allows the full height GS1 DataBar Omnidirectional (see above) to be printed in two rows of two segments each, which reduces the overall length of the linear bar code so it can fit better on certain packaging configurations. The separator pattern between the two rows is designed to eliminate cross-row scanning errors.
GS1 DataBar Stacked Omnidirectional is dimensioned as 50X wide by 69X high.

This form of GS1 DataBar allows truncation (shortening the height of a bar code) of the height to 13 times the nominal printing density ("X" dimension multiplied by 13). The normal GS1 DataBar Omnidirectional symbol has a height of 33X ("X" dimension multiplied by 33). Because of this truncation of the height, GS1 DataBar Truncated does not retain the same "over-square" attribute that GS1 DataBar Omnidirectional does and therefore is best scanned with a hand-held scanner such as a wand, hand-held laser or CCD scanner.

This form of GS1 DataBar allows the truncated (see above) GS1 DataBar Stacked to be printed in two rows of two segments each. It has the same application as GS1 DataBar Truncated but is used where a narrower symbol is needed. The separator pattern between the two rows is designed to eliminate cross-row scanning errors.
GS1 DataBar Stacked is dimensioned as 50X wide by 13X high.

GS1 DataBar Limited is a new linear symbology that encodes the same data as defined for all four types of GS1 DataBar Omnidirectional previously described above. The encodation process is different and limits the values assigned for Indicator digits to 1 or 0. This form of GS1 DataBar can be printed very small and is not generally intended for omnidirectional scanning.
GS1 DataBar Limited contains two large data characters and a Mod 89 symbology check character. It does not have stacked or omnidirectional formats and is designed for small item identification.
GS1 DataBar Limited is dimensioned as 71X wide by 10X high.

GS1 DataBar Expanded is a variable length, linear symbology that is encoded differently than GS1 DataBar Omnidirectional. This symbology allows up to 74 numeric or 41 alphabetic characters. This form of GS1 DataBar can be printed at densities that can be omnidirectionally scanned. It is used to encode 14 digits of numerical data that can be used to identify GTIN for scanning in the supply chain. It can also be used to encode all GS1 Application Identifiers, as used logically in GS1-128 symbols.
GS1 DataBar Expanded is designed to be scanned in segments similar to GS1 DataBar Omnidirectional. It is variable length with four to twenty two depending on the amount of data to be encoded. The symbology check character encodes a Mod 211 check value and the number of segments in the symbol.
GS1 DataBar Expanded encodes all Application Identifier Element Strings. Special compaction methods have been designed to decrease the symbol size for common Element Strings.
Unlike GS1-128, the GS1 DataBar Expanded symbol has been designed to be read by omnidirectional point-of-sale scanners.
Dimension is not listed here since GS1 DataBar Expanded is a variable length symbology.

This form of GS1 DataBar allows the GS1 DataBar Expanded (see above) to be printed in two to eleven rows of two segments each, which reduces the overall length of the linear bar code so it can fit better on certain packaging configurations.
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