| Name | BOPOMOFO LETTER IR |
| Unicode Version | 3.0 |
| Block（ブロック） | Bopomofo Extended（注音字母拡張） |
| Plane（面） | Basic Multilingual Plane（基本多言語面） |
| Script | |
| Category | |
| Bidirectional Class | |
| Combining Class | |
| Character is Mirrored | |
| HTML Entity | ㆨ ㆨ |
| UTF-8 Encoding | ㆨ e386a8 |
| UTF-16 Encoding | ㆨ 31a8 |
| UTF-32 Encoding | ㆨ 000031a8 |