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The history of Code11 barcode

What is the historical origin of the Code11 barcode?

The Code 11 barcode is a barcode symbol mainly used in the telecommunications field. It was developed by Intermec in 1977 to meet the special application requirements of high information density matrices.

Its name comes from the fact that it can encode 11 characters, including the digits 0 to 9 and a dash (-), as well as a start/stop character, usually printed as "*". Its structure is similar to the matrix of 2/5.

In what industries is Code11 barcode used?

Code 11 barcodes are mainly used in the telecommunications field, such as identifying telephone lines, switches, etc. It can also be used to mark inventory, serial numbers, etc.

An example of a Code 11 barcode application is the labeling of telecommunications equipment, where it can be used to represent the device's serial number or other information. For example, a Code 11 barcode could represent a string like this: 123-456789. This barcode consists of 12 characters, including the start and end symbols (*), and each character consists of 5 lines, 3 black lines and 2 white lines.

The reason why Code 11 barcodes are used in the telecommunications field is because it can efficiently encode large amounts of digital information and has high reliability and error tolerance because it has two check digits, which improves reliability and error tolerance.

Structural characteristics of Code11 barcode?

Each character is composed of 3 black lines (bar) and 2 white lines (space), which is a 5-line encoding method. There are 2 thick lines and 3 narrow lines, or 1 extra large thick line and 4 narrow lines.

This symbol can encode an arbitrary length string consisting of the digits 0¨C9 and the dash character (-). The twelfth code represents the start/end character, usually printed as "*". Can contain one or two modulo 11 check digits.

It is a discrete binary symbol system in which each number consists of three bars and two spaces; a single narrow space separates consecutive symbols.

The width of numbers is not fixed; three-digit numbers (0, 9, and -) are 1 element wide, while other numbers are 2 elements wide.

Valid code has a wide bar and may have an additional wide element (bar or space).

It uses parity bits and weighted check bits to improve reliability.

It is suitable for special application requirements of high information density matrices.

EasierSoft Barcode Label Design & Bulk Printing Software

---- Use Excel Data to Batch Print Barcodes on Label Sheets or Roll Labels

---- How to use this barcode software

Download: Free Barcode Software + Barcode Label Designer
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Once you obtain a GS1/UPC/EAN barcode, or other barcode type and QR code, you can use our free software to batch print barcode labels onto Roll label paper using a professional label printer, or to batch print barcodes onto Avery 5160 label sheets using a regular laser or inkjet printer. Our software has free and paid versions.

The free version fully meets your needs for batch printing GS1/UPC/EAN barcodes. The paid version can import data from Excel and databases to batch print barcode labels with different values.

How to Start	Input Data	Import Excel Data	Print Barcode	Barcode Format
Label Designer	All Screen Shot	Export Barcode Image	Save Template	Output Word Excel

How to Use & FAQ:

Export Barcode images	Export Barcode Image Format
File Names for Exported Barcode	Resolution of Exported Barcode Images
Fixed Folder for Exporting Barcode	Default Barcode Image Export Format
Print bulk barcodes quickly	Print barcodes to Avery 5160 label
How to bulk Barcode Printing	Sample - Avery 5162 (2x7) Label Sheet
Example: Print barcodes to 5*3cm roll	Example: Print barcodes to 5161 label
Example: Print barcodes to 5162 label	Example: Print barcodes to 5163 label
Example: Print barcodes to 5164 label	Example: Print portrait orientation 5164
Example: Print barcodes to 5167 label	Example: Print barcodes to 5168 label
Example: Print portrait orientation 5168	Example: Print barcodes to 5169 label
Example: Print barcodes to 5660 label	Example: Print barcodes to 5661 label
Example: Print barcodes to 5662 label	Example: Print barcodes to 5663 label
Example: Print barcodes to 5664 label	Example: Print portrait orientation 5664
Example: Print barcodes to 5873 label	Example: Print barcodes to 5874 label
Two ways to import Excel data	Import Excel Data - Pro Edition
Import Excel Data - Std Edition	Import Data from Excel - Detail
Load Data From Excel File	Data Editing Table
Copy Data From Excel	Four ways to input barcode data
Add ASCII Key E	Input Multiple Lines of Text for Barcodes
Generates Sequential Serial Numbers	Import or copy data from Excel sheets
Special sequence number generation	Std Details: Simple Input Form
Std Details: Multiple Line Text Input	Details: Sequence Barcode Generator
Examples: Sequence Barcode Generator	Import Data From Excel Spreadsheet
Barcode Data Correspondence Diagram	Data Editor
Editing a Single Row Data in Form	Batch Editing Multiple Rows of Data

Highlights

Excel integration: Import data directly from Excel to generate and print barcodes in bulk.

Label designer: Create complex labels with multiple barcodes, text, logos, and shapes.

Batch printing: Print thousands of barcodes at once using standard inkjet/laser printers or professional barcode printers.

Flexible editions:

Standard Edition: Simple batch printing with Excel data.

Professional Edition: Adds command-line automation for workflow integration.

Label Designer Edition: Advanced design features for complex labels.

Why Choose Our Barcode Solutions?

Cost-effective: Free online generator and permanent free desktop version available.

Easy to use: No technical expertise required—just input data and print.

Versatile: Supports nearly all 1D and 2D barcode types, including QR codes.

Trusted: Recommended by CNET and widely downloaded by users worldwide.

Suitable Use Cases

Small businesses and startups needing quick barcode labels for products.

Retailers and online sellers managing inventory with batch barcode printing.

Manufacturers requiring sequential or custom barcode labels for packaging.

Educational and testing environments where barcodes are used for tracking.

CONTACT

cs@easiersoft.com

If you have any question, please feel free to email us.

https://free-barcode.com

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