- Radio broadcasting and communications equipment (9)
- Pagers (one-way) (1)
- Radio receiver networks (2)
- Transmitter-receivers, radio (3)
- Television broadcasting and communications equipment (2)
- Cameras, television (1)
- Television closed circuit equipment (2)
- Antennas, transmitting and communications (2)
- Digital encoders (2)
- Microwave communication equipment (2)
- Mobile communication equipment (2)
- Satellites, communications (16)
- Space satellite communications equipment (7)
- Studio equipment, radio and television broadcasting (3)
- Transmitting apparatus, radio or television (3)
