- Radio broadcasting and communications equipment (15)
- Airborne radio communications equipment (2)
- Amplifiers, RF power and IF (2)
- Carrier equipment, radio communications (1)
- Cellular radio telephone (4)
- Citizens' band (CB) radio (1)
- Pagers (one-way) (3)
- Radio receiver networks (1)
- Television broadcasting and communications equipment (7)
- Cable television equipment (1)
- Television antennas (transmitting) and ground equipment (1)
- Television closed circuit equipment (2)
- Television monitors (1)
- Antennas, transmitting and communications (7)
- Digital encoders (2)
- Light communications equipment (2)
- Microwave communication equipment (4)
- Mobile communication equipment (8)
- Receiver-transmitter units (transceiver) (4)
- Satellites, communications (43)
- Space satellite communications equipment (16)
- Studio equipment, radio and television broadcasting (8)
- Telemetering equipment, electronic (4)
- Transmitting apparatus, radio or television (1)
- Global positioning systems (gps) equipment (2)
