Versão do Código QR 40 (177×177)
QR version 40 is 177×177 modules: up to 7,089 digits, 4,296 alphanumeric, 2,953 bytes or 1,817 kanji at level L; 1,273 bytes at H.
Version 40 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 | Numérico | Alfanumérico | Byte | Kanji |
|---|---|---|---|---|---|
| L | ~7% | 7.089 | 4.296 | 2.953 | 1.817 |
| M | ~15% | 5.596 | 3.391 | 2.331 | 1.435 |
| Q | ~25% | 3.993 | 2.420 | 1.663 | 1.024 |
| H | ~30% | 3.057 | 1.852 | 1.273 | 784 |
Codewords and error-correction blocks
The symbol carries 3706 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 | 2.956 | 750 | 19 × (148, 118, 30) + 6 × (149, 119, 30) |
| M | 2.334 | 1.372 | 18 × (75, 47, 28) + 31 × (76, 48, 28) |
| Q | 1.666 | 2.040 | 34 × (54, 24, 30) + 34 × (55, 25, 30) |
| H | 1.276 | 2.430 | 20 × (45, 15, 30) + 61 × (46, 16, 30) |
Symbol structure
- Módulos
- 177 × 177
- Data modules (codeword bits + remainder bits)
- 29.648
- Remainder bits
- 0
- Alignment patterns
- 46 (centre rows/columns 6, 30, 58, 86, 114, 142, 170)
- Version information blocks
- Yes (2 × 18 bits)