| Name | HANGUL LETTER YO-I HANGUL LETTER YOI |
| Unicode Version | 1.1 |
| Block（ブロック） | Hangul Compatibility Jamo（ハングル互換字母） |
| Plane（面） | Basic Multilingual Plane（基本多言語面） |
| Script | |
| Category | |
| Bidirectional Class | |
| Combining Class | |
| Character is Mirrored | |
| HTML Entity | ㆉ ㆉ |
| UTF-8 Encoding | ㆉ e38689 |
| UTF-16 Encoding | ㆉ 3189 |
| UTF-32 Encoding | ㆉ 00003189 |