- Airborne radio communications equipment (9)
- Amplifiers, RF power and IF (2)
- Carrier equipment, radio communications (2)
- Cellular radio telephone (12)
- Citizens' band (CB) radio (2)
- Marine radio communications equipment (11)
- Multiplex equipment (1)
- Pagers (one-way) (4)
- Radio receiver networks (2)
- Receivers, radio communications (6)
- Transmitter-receivers, radio (2)
- Cable television equipment (13)
- Cameras, television (2)
- Phototransmission equipment (1)
- Television antennas (transmitting) and ground equipment (3)
- Television closed circuit equipment (4)
- Television monitors (6)
- Radio and t.v. communications equipment, nec (3)
- Antennas, transmitting and communications (6)
- Digital encoders (7)
- Light communications equipment (3)
- Microwave communication equipment (35)
- Mobile communication equipment (22)
- Radio and television switching equipment (2)
- Receiver-transmitter units (transceiver) (7)
- Satellites, communications (12)
- Space satellite communications equipment (12)
- Studio equipment, radio and television broadcasting (16)
- Telemetering equipment, electronic (2)
- Transmitting apparatus, radio or television (11)
- Global positioning systems (gps) equipment (48)
