About GS1 DataBar Omnidirectional Barcodes
GS1 DataBar Omnidirectional (formerly known as RSS-14) is a compact linear barcode designed by GS1 for small retail products and loose fresh items like fruits and vegetables. Standard EAN-13 and UPC-A barcodes are too large to fit on small items or circular labels. GS1 DataBar offers a denser structure, encoding a 14-digit Global Trade Item Number (GTIN-14) in a physically smaller format while remaining readable by omnidirectional retail scanners.
How GS1 DataBar Omnidirectional Encoding Works
GS1 DataBar Omnidirectional encodes 14 digits, usually representing a GTIN (prefixed with the (01) Application Identifier). It splits the data into multiple segments, creating a barcode that is narrower but slightly taller than older linear codes. It uses specific guard patterns and checksum systems to allow fast scanning from any angle, which is essential for supermarket checkout lines.
Common Applications and Industries
GS1 DataBar is widely used on fresh produce stickers (like apples, bananas, and avocados), loose items, loose hardware, and small cosmetics. It is scanned at POS checkouts just like standard barcodes. In addition to identify the product, it can be linked to weight databases, allowing cashier terminals to automatically calculate prices for bulk produce items.
Advantages & Limitations
It is highly compact, allowing product identification on packaging that is too small for standard EAN/UPC barcodes. It integrates with existing retail databases and is supported by modern point-of-sale systems. The limitation is that it only encodes numeric product identifiers (GTINs) and cannot store letters or custom serial codes without transitioning to the expanded version.