- Radio broadcasting and communications equipment (3)
- Airborne radio communications equipment (1)
- Cellular radio telephone (1)
- Transmitter-receivers, radio (1)
- Television closed circuit equipment (1)
- Antennas, transmitting and communications (1)
- Digital encoders (2)
- Mobile communication equipment (1)
- Satellites, communications (10)
- Space satellite communications equipment (1)
- Studio equipment, radio and television broadcasting (1)
- Telemetering equipment, electronic (1)
- Global positioning systems (gps) equipment (2)
