- Radio broadcasting and communications equipment (10)
- Cellular radio telephone (2)
- Citizens' band (CB) radio (1)
- Radio receiver networks (1)
- Transmitter-receivers, radio (3)
- Television broadcasting and communications equipment (3)
- Television closed circuit equipment (2)
- Antennas, transmitting and communications (2)
- Digital encoders (3)
- Encryption devices (1)
- Light communications equipment (1)
- Microwave communication equipment (3)
- Mobile communication equipment (4)
- Satellites, communications (5)
- Space satellite communications equipment (5)
- Telemetering equipment, electronic (1)
- Transmitting apparatus, radio or television (2)
- Global positioning systems (gps) equipment (1)
