The group's principal activities are carried out through two groups: the commercial group and the defense and space group. The commercial group develops and manufactures high frequency subsystems used in the transmission of voice, video and data traffic over fixed access and mobile wireless communication networks. The defense and space group provides a broad spectrum of radio frequencies, microwave and guidance products for systems integrated by prime contractors in military and space applications. It also develops and manufacture wireless communications equipment used in the defense industry, including communications equipment integrated into electronic systems for tactical aircraft, ships, ground systems, satellites, missile systems and smart weapons. On 01-Jun-2003 himark & on 10-Nov-2003 paradigm wireless systems inc.