Comtech Telecommunications Corp. engages in the provision of emergency systems and wireless and satellite communications. It operates through Satellite and Space Communications and Terrestrial and Wireless Networks segments. The Satellite and Space Communication segment offers satellite ground station technologies, services and system integration that facilitate the transmission of voice, video, and data over GEO, MEO, and LEO satellite constellations, including solid-state and traveling wave tube power amplifiers, modems, VSAT platforms and frequency converters. The Terrestrial and Wireless Networks segment provides SMS Text to 911 services, providing alternate paths for individuals who need to request assistance method to reach Public Safety Answering Points. The company was founded in 1967 and is headquartered in Chandler, AZ.