Radio - Equipment and supplies.

Newnes guide to radio and communications technology by: (Language materials, printed)

Radio monitoring = automated systems and their components / by: (Electronic resources)

Communications Engineering, Networks.

Microwaves, RF and Optical Engineering.

Radio- Equipment and supplies.

Radio detectors.

Radio- Packet transmission.

Measurement Science and Instrumentation.

Telecommunication.

Radio- Monitoring receivers.

Engineering.