Although the QR specification includes 40 levels, or encodings, the C1QRCode control only implements levels 1 through 10. The table below summarizes the image sizes and content length supported by each level.
Correction Level: L (higher correction levels reduce encoding capacity)
Level |
Size |
Numeric |
Alpha |
Bin |
1 |
21x21 |
41 |
25 |
17 |
2 |
25x25 |
77 |
47 |
32 |
3 |
29x29 |
127 |
77 |
53 |
4 |
33x33 |
187 |
114 |
78 |
5 |
37x37 |
255 |
154 |
78 |
6 |
41x41 |
322 |
195 |
134 |
7 |
45x45 |
370 |
224 |
154 |
8 |
49x49 |
461 |
279 |
192 |
9 |
53x53 |
552 |
335 |
230 |
10 |
57x57 |
652 |
395 |
271 |
NOTES:
The Level is the encoding and can be set to Automatic.
The Size is the image size in pixels.
Alphanumeric characters that are supported include [0-9][A-Z][$%*+-./:].
For details on the QR format, please see: http://www.denso-wave.com/qrcode/qrstandard-e.html and http://en.wikipedia.org/wiki/QR_code.