Communications & Power Industries, Inc. [ CPI ] - CPI is a leading provider of microwave, radio frequency, power and control solutions for critical defense, communications, medical, scientific and other applications. CPI develops, manufactures and distributes products used to generate, amplify, transmit and receive high-power/high-frequency microwave and radio frequency signals and/or provide power and control for various applications. End-use applications of these systems include the transmission of radar signals for navigation and location; transmission of deception signals for electronic countermeasures; transmission and amplification of voice, data and video signals for broadcasting, Internet and other types of commercial and military communications; providing power and control for medical diagnostic imaging; and generating microwave energy for radiation therapy in the treatment of cancer and for various industrial and scientific applications. Communications & Power Industries (CPI) provides microwave, radio frequency, power and control solutions for critical defense, communications, medical, scientific and other applications. CPI develops, manufactures and distributes products used to generate, amplify, transmit and receive high-power/high-frequency microwave and radio frequency signals and/or provide power and control for various applications.