Sample of a PDF417 symbol encoding "PDF417 is a stacked linear barcode symbol format used in a variety of applications, primarily transport, identification cards, and inventory management." When printed at 200 DPI the symbol will be 1.75 inch x 0.76 inch. The symbol is encoded using Error Correction Level 5, with 6 Columns and 24 Rows (144 Codewords). It contains 80 Data Codewords and 64 Check Codewords.