Operational for more than 50 years, Electron Devices designs and manufactures microwave vacuum devices. The company offers a range of products, such as microwave tubes, amplifiers and other vacuum devices for use in a variety of military and commercial systems. Additionally, it provides commercial devices for television broadcasting, satellite communications, high-energy plasma research and several medical applications. Electron Devices offers various other products that include constant-efficiency amplifiers for the broadcast industry and a line of commercial and military microwave power modules. Electron Devices is located in San Carlos, Calif. and has a branch office at Williamsport, Pa. It is an ISO 9001:2000-certified company and is a subsidiary of L-3 Communications Holdings.