Can encode any length of data. Its limitation lies in the length of the printed matter and the identification range of the barcode reader.
Supports a wide range of equipment. Almost all bar code reading devices can read Code 39. The same is true for printers.
The preparation is simple. Simple development techniques can quickly generate corresponding encoded images.
General Code 39 consists of 5 lines and 4 slots that separate them and consists of 9 elements. Lines and gaps have widths and widths, and only 3 lines or gaps are wider than other elements by a certain percentage. 39 yards hence the name