CPI International, located in Palo Alto, Calif., is one of the leading providers of microwave, radio frequency and power products in the United States. Its product line includes klystrons, gyrotrons, satellite communications transmitters, transmitter subsystems, microwave power modules and amplifiers. The company offers products to various industries, such as radar, satellite and terrestrial communications, broadcasting, defense, medical and scientific. It designs, manufactures and distributes products used to amplify and transmit high-frequency radio and microwave signals. The frequency is used in transmitting radar signals for navigation and deception signals for electronic uses, and amplifying voice, data and video signals for broadcasting and Internet. CPI International s products are also utilized for providing medical diagnostic imaging, and generating microwave energy for radiation therapy in the treatment of cancer.