- Radio broadcasting and communications equipment (28)
- Airborne radio communications equipment (5)
- Amplifiers, RF power and IF (5)
- Carrier equipment, radio communications (2)
- Cellular radio telephone (12)
- Marine radio communications equipment (1)
- Pagers (one-way) (4)
- Radio receiver networks (4)
- Receivers, radio communications (3)
- Transmitter-receivers, radio (2)
- Television broadcasting and communications equipment (9)
- Cable television equipment (3)
- Cameras, television (1)
- Television closed circuit equipment (4)
- Television monitors (3)
- Antennas, transmitting and communications (12)
- Digital encoders (2)
- Light communications equipment (1)
- Microwave communication equipment (4)
- Mobile communication equipment (12)
- Radio and television switching equipment (1)
- Satellites, communications (40)
- Space satellite communications equipment (13)
- Studio equipment, radio and television broadcasting (4)
- Transmitting apparatus, radio or television (3)
- Global positioning systems (gps) equipment (1)
