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Additional features:
extended Channel Interpretation (ECI): support for different character sets and
data interpretations
structured append: represent data in up to 8 Maxicode symbols
Support for these options is reader dependent. The supported character set and the
maximum decodable number of characters, is reader dependent.
Encodable characters:
ASCII values 0 - 127 (ISO 646)
ASCII values 128 - 255 (ISO 8859-1, Latin alphabet No. 1, extended ASCII)
with ECI: many other character sets
For string format see figure 3.51.
Options for Maxicode:
structured append time out: see read mode options
no further options supported
3.3.26. Options for PDF417
PDF417 is variable size multi row (stacked) symbology with selectable error
correction levels.
Maximum data capacity:
text compaction: 1850 characters
byte compaction: 1108 characters
numeric compaction: 2710 characters
Symbol size:
number of row: 3 up to 90
number of columns: 1 up to 30
Error correction:
8 levels of error correction. Option for error detection only.