'foo;barbaz'
, with quotation marks part of the literal SSID name itself, this would be encoded as: WIFI:S:'foo;barbaz';;
[37]Input mode | Max. characters | Bits/char. | Possible characters, default encoding |
---|---|---|---|
Numeric only | 7,089 | 3⅓ | 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 |
Alphanumeric | 4,296 | 5½ | 0–9, A–Z (upper-case only), space, $, %, *, +, -, ., /, : |
Binary/byte | 2,953 | 8 | ISO 8859-1 |
Kanji/kana | 1,817 | 13 |
Level L (Low) | 7% of codewords can be restored. |
Level M (Medium) | 15% of codewords can be restored. |
Level Q (Quartile)[50] | 25% of codewords can be restored. |
Level H (High) | 30% of codewords can be restored. |
Mode indicator | Description | Typical structure '[ type : sizes in bits ]' |
---|---|---|
0001 | Numeric | [0001 : 4] [ Character Count Indicator : variable ] [ Data Bit Stream : 10 × charcount ] |
0010 | Alphanumeric | [0010 : 4] [ Character Count Indicator : variable ] [ Data Bit Stream : 11 × charcount ] |
0100 | Byte encoding | [0100 : 4] [ Character Count Indicator : variable ] [ Data Bit Stream : 8 × charcount ] |
1000 | Kanji encoding | [1000 : 4] [ Character Count Indicator : variable ] [ Data Bit Stream : 13 × charcount ] |
0011 | Structured append | [0011 : 4] [ Symbol Position : 4 ] [ Total Symbols: 4 ] [ Parity : 8 ] |
0111 | ECI | [0111 : 4] [ ECI Assignment number : variable ] |
0101 | FNC1 in first position | [0101 : 4] [ Numeric/Alphanumeric/Byte/Kanji payload : variable ] |
1001 | FNC1 in second position | [1001 : 4] [ Application Indicator : 8 ] [ Numeric/Alphanumeric/Byte/Kanji payload : variable ] |
0000 | End of message | [0000 : 4] |
Indicator | Meaning |
---|---|
0001 | Numeric encoding (10 bits per 3 digits) |
0010 | Alphanumeric encoding (11 bits per 2 characters) |
0100 | Byte encoding (8 bits per character) |
1000 | Kanji encoding (13 bits per character) |
0011 | Structured append (used to split a message across multiple QR symbols) |
0111 | Extended Channel Interpretation (select alternate character set or encoding) |
0101 | FNC1 in first position (see Code 128 for more information) |
1001 | FNC1 in second position |
0000 | End of message (Terminator) |
Encoding | Ver. 1–9 | 10–26 | 27–40 |
---|---|---|---|
Numeric | 10 | 12 | 14 |
Alphanumeric | 9 | 11 | 13 |
Byte | 8 | 16 | 16 |
Kanji | 8 | 10 | 12 |
Code | Character | Code | Character | Code | Character | Code | Character | Code | Character |
---|---|---|---|---|---|---|---|---|---|
00 | 0 | 09 | 9 | 18 | I | 27 | R | 36 | Space |
01 | 1 | 10 | A | 19 | J | 28 | S | 37 | $ |
02 | 2 | 11 | B | 20 | K | 29 | T | 38 | % |
03 | 3 | 12 | C | 21 | L | 30 | U | 39 | * |
04 | 4 | 13 | D | 22 | M | 31 | V | 40 | + |
05 | 5 | 14 | E | 23 | N | 32 | W | 41 | – |
06 | 6 | 15 | F | 24 | O | 33 | X | 42 | . |
07 | 7 | 16 | G | 25 | P | 34 | Y | 43 | / |
08 | 8 | 17 | H | 26 | Q | 35 | Z | 44 | : |
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