Data matrix

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An example of a Data matrix code, encoding the text: "Wikipedia, the free encyclopedia"

Data matrix is an invention of a two-dimensional barcode.

The coded information can be text or numbers. It is read by a bar code reader.

Error correction codes are often used to increase reliability. Even if one or more cells are damaged, the message can still be read. A data matrix symbol can store up to 2,335 alphanumeric characters.