Its character consists of 9 modules, and placed 3 black bars in a character.
43 Alpha-numerics and Marks same as CODE-39, and added 4 control characters. With the combinations of these characters (controls and literals), full-ASCII can be expressed.
![[Characters in CODE-93]](../shurui/images/00-99/27.gif)
| * Character Set | Numerics, Alphabets, 7 Marks 4 Control Codes |
| * Code type | Continuous |
| * Length of symbol | variable |
| * Self Check | Yes |
| * Checkdigit | needed 2 characters (Modulus 47) |
| * Character Density | about 5.83 chars/cm |
![[Character Composition of CODE-93]](../shurui/images/00-99/28.gif)