| |||
| signal multiplex | |||
|
multi-channel : 71 phrases in 13 subjects |
| Communications | 29 |
| Earth sciences | 2 |
| Electronics | 18 |
| General | 2 |
| Health care | 2 |
| Information technology | 1 |
| Medical | 1 |
| Nuclear physics | 1 |
| Radio | 2 |
| Technology | 1 |
| Telecommunications | 1 |
| Transport | 1 |
| United Nations | 10 |