条码生成器

Valid Characters

Explanation

• Known also as USD-8.
• Code 11 was developed in 1977 as a high-density numeric symbology.
• Used to identify telecommunications equipment.
• Code 11 is a numeric symbology and its character set consists of 10 digital characters and the dash symbol (-).
• There is a "C" check digit. If the length of encoded message is greater thant 10, a "K" check digit may be used.