Tyco Electronics will sell its Radio Frequency Components and Subsystem business to Cobham Defense Electronic Systems, a subsidiary of Cobham plc, for $425 million in cash. The transaction is expected to close by the end of calendar year 2008. The Radio Frequency Components and Subsystem business, with approximately 2,000 employees primarily located at 11 locations throughout the U.S. and Europe, designs, manufactures and markets amplifiers, antennas, attenuators, diodes, signal generators, limiters, transistors, modulators and mixers; and microwave and millimeter wave integrated circuits for the aerospace, defense and commercial markets. Cobham Defense Electronic Systems manufactures microwave components, integrated assemblies and sub-systems.