- CYBER-TECH (U.K.)
Cyber-tech Recording Systems

- PARK AIR SYSTEMS (PAS) (A Northrop/Grumman Co.) (U.K.)
- Ground to Air Radio Communication Systems.
- Wide Area Receiver- Voting Systems for Voice and Data, MARC Remote Control System.

- PARK AIR SYSTEMS (PAS) (A Northrop/Grumman Co.) (Norway)
- Instrument Landing System (ILS)
- Voice Communication Control System (VCCS) Garex220,
- Air Traffic Control Radar Display And Processing Systems-NOVA 9000

- SPECTRONIC (Denmark)
- PSTN Intercept & Monitoring Equipment (Audio, Fax, Modem)
- Wired Audio Monitoring/ Surveillance Systems
- Wireless Audio Monitoring/ Surveillance Systems
- Audio Amplifier and De-scrambler
- Remote Control Products
- Noise Cancelling Systems