- Technical Specifications
- Code 128 is a high-density linear barcode developed by Computer Identics in 1981
- Can encode all 128 ASCII characters and Latin-1 characters with FNC4
- Contains three character sets: A (uppercase letters), B (uppercase/lowercase letters), C (numeric only)
- Uses checksum digit and byte parity checking for verification
- Advantages
- Allows bidirectional scanning and up to 232 characters encoding
- Provides high reliability and fast scanning speed
- Requires special scanning equipment and high print quality
- Offers customizable design options and various fonts
- Applications
- Widely used in internal supply chain management
- Facilitates production line process monitoring
- Applied in logistics and transportation tracking
- Used for inventory management and order fulfillment
- Comparison with Other Barcodes
- More compact than Code 39 for numeric data
- Cannot represent Chinese characters
- Complements QR Codes for different data types
- Requires dedicated scanning equipment versus smartphone-compatible QR Codes