- Radio broadcasting and communications equipment (29)
- Airborne radio communications equipment (2)
- Amplifiers, RF power and IF (4)
- Carrier equipment, radio communications (1)
- Cellular radio telephone (3)
- Marine radio communications equipment (3)
- Multiplex equipment (1)
- Pagers (one-way) (3)
- Radio receiver networks (2)
- Transmitter-receivers, radio (3)
- Television broadcasting and communications equipment (8)
- Cable television equipment (8)
- Cameras, television (1)
- Television closed circuit equipment (10)
- Television monitors (1)
- Antennas, transmitting and communications (9)
- Digital encoders (1)
- Light communications equipment (2)
- Microwave communication equipment (6)
- Mobile communication equipment (6)
- Radio and television switching equipment (1)
- Receiver-transmitter units (transceiver) (1)
- Satellites, communications (30)
- Space satellite communications equipment (2)
- Studio equipment, radio and television broadcasting (2)
- Telemetering equipment, electronic (3)
- Transmitting apparatus, radio or television (1)
- Global positioning systems (gps) equipment (1)
