приёмник DTMF-сигналов : 240 phrases in 26 subjects |
Astronautics | 8 |
Automated equipment | 1 |
Aviation | 3 |
Cartography | 4 |
Communications | 7 |
Electrical engineering | 1 |
Electronics | 25 |
Gyroscopes | 1 |
Household appliances | 3 |
Information security and data protection | 2 |
Information technology | 1 |
Makarov | 4 |
Mass media | 85 |
Military | 13 |
Missiles | 2 |
Nautical | 1 |
Navigation | 2 |
Oil / petroleum | 1 |
Radio | 3 |
Radiolocation | 4 |
Security systems | 5 |
Shipbuilding | 1 |
Technology | 38 |
Telecommunications | 23 |
Television | 1 |
Transport | 1 |