Phiên bản mã QR 39 (173×173)
QR version 39 is 173×173 modules: up to 6,743 digits, 4,087 alphanumeric, 2,809 bytes or 1,729 kanji at level L; 1,219 bytes at H.
Version 39 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% | 6743 | 4087 | 2809 | 1729 |
| M | ~15% | 5313 | 3220 | 2213 | 1362 |
| Q | ~25% | 3791 | 2298 | 1579 | 972 |
| H | ~30% | 2927 | 1774 | 1219 | 750 |
Codewords and error-correction blocks
The symbol carries 3532 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 | 2812 | 720 | 20 × (147, 117, 30) + 4 × (148, 118, 30) |
| M | 2216 | 1316 | 40 × (75, 47, 28) + 7 × (76, 48, 28) |
| Q | 1582 | 1950 | 43 × (54, 24, 30) + 22 × (55, 25, 30) |
| H | 1222 | 2310 | 10 × (45, 15, 30) + 67 × (46, 16, 30) |
Symbol structure
- Mô-đun
- 173 × 173
- Data modules (codeword bits + remainder bits)
- 28256
- Remainder bits
- 0
- Alignment patterns
- 46 (centre rows/columns 6, 26, 54, 82, 110, 138, 166)
- Version information blocks
- Yes (2 × 18 bits)