Code 39

1D Symbologies

Symbology Code 39


  • Mostly used in logistics to encode application specific identifiers.
  • The standard version can encode numbers 0-9, capital letters A-Z, symbols -.$/+% and space.
  • Supports variable length data content.
  • Narrow to wide bar ratios from 1:2 up to 1:3 are supported. 1:2.5 is recommended.
  • By default no checksum is verified.
  • It has been standardised under ISO/IEC 16388.

SDK Features:

  • An optional mod43 checksum can be enforced.
  • All ASCII characters including control characters encoding support can be enabled.