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Manufacturers of microwave tubes, amplifiers, receivers, klystrons and magnetrons. (formerly Thorn Microwave Devices). - 

Manufacturers ceramic resonators, microwave filters and antennas. - 

Specialists in hardware design (in the area of RF, microwave and digital design engineers) for the communications market. - 

Manufactures small waveguide products for military and commercial applications. - 

Provides high quality security and communication equipment and systems. - 

Manufactures small waveguide products for military and commercial applications. - 

Manufacturers ceramic resonators, microwave filters and antennas. - 

Designs and develops RF MEMS-based millimeter wave hybrid assemblies, components, and devices for commercial, space and military applications. - 

Manufacturer of impedance matching transformers, splitters and combiners for RF amplifiers. - 

Manufactures RF power supplies, automatic and manual impedance matching networks and customized RF equipment for plasma systems. Scotland. Site lists photos and specifications of products. -