Phiên bản mã QR 14 (73×73)
QR version 14 is 73×73 modules: up to 1,101 digits, 667 alphanumeric, 458 bytes or 282 kanji at level L; 194 bytes at H.
Version 14 data capacity
Maximum characters in a single encoding mode, per error-correction level (ISO/IEC 18004:2015, Table 7). Mixed-mode data and ECI headers reduce these limits.
| EC level | Recovers | Số | Chữ và số | Byte | Kanji |
|---|---|---|---|---|---|
| L | ~7% | 1101 | 667 | 458 | 282 |
| M | ~15% | 871 | 528 | 362 | 223 |
| Q | ~25% | 621 | 376 | 258 | 159 |
| H | ~30% | 468 | 283 | 194 | 120 |
Codewords and error-correction blocks
The symbol carries 581 codewords in total, split between data and Reed-Solomon error correction (ISO/IEC 18004:2015, Table 9).
| EC level | Data codewords | EC codewords | Blocks (count × total, data, EC codewords) |
|---|---|---|---|
| L | 461 | 120 | 3 × (145, 115, 30) + 1 × (146, 116, 30) |
| M | 365 | 216 | 4 × (64, 40, 24) + 5 × (65, 41, 24) |
| Q | 261 | 320 | 11 × (36, 16, 20) + 5 × (37, 17, 20) |
| H | 197 | 384 | 11 × (36, 12, 24) + 5 × (37, 13, 24) |
Symbol structure
- Mô-đun
- 73 × 73
- Data modules (codeword bits + remainder bits)
- 4651
- Remainder bits
- 3
- Alignment patterns
- 13 (centre rows/columns 6, 26, 46, 66)
- Version information blocks
- Yes (2 × 18 bits)