Data Matrix is a high-density 2D matrix-style barcode symbology that can encode up to 3116 characters from the entire 256 byte ASCII character set. The symbol is built on a square grid arranged with a finder pattern around the perimeter of the barcode symbol.
There are two types of Data Matrix symbols, each using a different error checking and correction scheme (ECC). The different types of Data Matrix symbols are identified using the terminology “ECC” followed by a number representing the type of error correction used by the encoding software. ECC 000 to ECC 140 is the original type of Data Matrix symbols and is now considered obsolete.
The newest version of Data Matrix is called ECC 200 and is recommended for all new Data Matrix applications. The ECC 200 version of Data Matrix uses a much more efficient algorithm for encoding data in a symbol, as well as an advanced error checking and correction scheme.
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