The company's principal activities are to design, manufacture and market ultra linear power amplifiers and related subsystems to the wireless, local loop and satellite uplink telecommunications market. These power amplifiers are a key component in cellular base stations. They increase the power of radio frequency and microwave signals with low distortion, enabling the user to significantly increase the quality and quantity of calls processed by new and existing cellular base stations. The wireless communications products consist of solid-state, radio frequency and microwave, single and multi carrier power amplifiers that support a broad range of analog and digital transmission protocols including code division multiple access (cdma) and time division multiple access (tdma). The customers include wireless communications manufacturers (OEMs) and communications system operators.