| English | eng-000 |
| half-duplex channel | |
| 普通话 | cmn-000 | 半双向通道 |
| 普通话 | cmn-000 | 半双工信道 |
| 普通话 | cmn-000 | 单向通道 |
| English | eng-000 | forward channel |
| English | eng-000 | one-way only channel |
| English | eng-000 | simplex channel |
| hrvatski | hrv-000 | poludupleksni kanal |
| hrvatski | hrv-000 | poludvosmjerni prijenos |
| русский | rus-000 | полудуплексный канал |