Entering Codabar data
Use digits 0 to 9 and the symbols - $ : / . +. Each code begins and ends with one of A, B, C or D as start and stop characters. If you leave them out, A is added at both ends, as in A40156A.
Codabar barcode generator
A simple barcode for digits and a few symbols, long used by libraries and blood banks.
Other barcode types
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FAQ
Should a new system use Codabar?
Only if you must match existing equipment. Otherwise Code 128 is recommended.