L-3 Electron Devices has designed and manufactured microwave vacuum devices for over 75 years.  Our ISO-9001 certified facilities in San Carlos, CA and Williamsport, PA, produce hundreds of microwave tubes, amplifiers and other vacuum devices every month for use in a variety of Military and Commercial systems.  Our Military product lines meet and exceed the stringent requirements for operation and durability in today's advanced Radar, EW, Missile and Communication systems. 

We are proud to have supplied products for many of the most successful programs in the United States, as well as for our NATO allies and other countries throughout the world.  We also provide Commercial devices for Medical applications, Satellite Communications, TV Broadcasting and High Energy Plasma research.  Our talented scientists and engineers continue to advance the state of the art with new devices such as the development of the Constant Efficiency Amplifier for the broadcast industry and a complete line of commercial and military Microwave Power Modules.