- Radio broadcasting and communications equipment (27)
- Airborne radio communications equipment (1)
- Amplifiers, RF power and IF (6)
- Carrier equipment, radio communications (1)
- Cellular radio telephone (1)
- Pagers (one-way) (3)
- Radio receiver networks (1)
- Transmitter-receivers, radio (1)
- Television broadcasting and communications equipment (7)
- Cable television equipment (2)
- Cameras, television (2)
- Television antennas (transmitting) and ground equipment (1)
- Television closed circuit equipment (3)
- Antennas, transmitting and communications (6)
- Digital encoders (3)
- Encryption devices (1)
- Light communications equipment (2)
- Microwave communication equipment (3)
- Mobile communication equipment (3)
- Receiver-transmitter units (transceiver) (1)
- Satellites, communications (11)
- Space satellite communications equipment (6)
- Studio equipment, radio and television broadcasting (3)
- Telemetering equipment, electronic (5)
- Transmitting apparatus, radio or television (4)
- Global positioning systems (gps) equipment (2)
