UCC/EAN – 128 was developed to supply a universal design and set for exchanging general data between companies. UCC/EAN 128 is derived from Code 128 and uses application identifiers.

UCC/EAN 128 is also popular with other names including GS1-128 / EAN-128, EAN-128, UCC-128, USS-128, GS1-128, UCC.EAN-128, GTIN-128, UCC-12, EAN/UCC-13, EAN/UCC-14. 

Character set of UCC/EAN 128 barcode symbology

A UCC/EAN-128 barcode symbol consists of the following parts:

1. start code

2. FNC1

FNC1 is a code used to recognize barcodes matched with the UCC/EAN 128 standard.

3. Application Identifier

Application Identifier is a 2, 3 or 4 digit number identifying the kind of data to be followed.

4. Data

5. Checksum

6. Stop code

 Structure of UCC/EAN 128 barcode symbology

The structure of UCC/EAN 128 contains numbers (0-9) of variable length, with starting character C followed by FNC1 character (102) and other left behind data. UCC/EAN 128 also involves a check digit (calculated according to modulo 103).

Applications of UCC/EAN 128 barcode symbology

• Retail sectors implements UCC/EAN 128 to assign batch or group numbers on items.
• Mainly used in industry applications.
• UCC/EAN 128 launches a standard way of grouping a parcel with more information such as batch number or “use before” dates.

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