- Radio broadcasting and communications equipment (3)
- Amplifiers, RF power and IF (1)
- Cellular radio telephone (1)
- Transmitter-receivers, radio (1)
- Television broadcasting and communications equipment (1)
- Cable television equipment (2)
- Antennas, transmitting and communications (2)
- Microwave communication equipment (1)
- Mobile communication equipment (1)
- Satellites, communications (7)
