Comtech Telecommunications Corp., together with its subsidiaries, provides critical communications technology and solutions in the United States and internationally. The company provides Allerium, a public safety technology business focused on helping governments, emergency communications agencies, and mobile network operators. It offers Public Safety Solutions, including next generation 9-1-1 (NG9-1-1) infrastructure, emergency services IP networks (ESINETS), next generation core services (NGCS), cloud-native call handling, emergency communications applications, trusted location services, and software designed to improve coordination across the emergency response ecosystem and cybersecurity training. The company also provides mobile network solutions, including carrier-grade location, messaging and public alerting technologies that enable mobile network operators to support emergency services, regulatory compliance and trusted communications across evolving wireless networks. In addition, its portfolio includes next generation 9-1-1 and call delivery; call handling; trusted location and messaging solutions; and cybersecurity training. The company was founded in 1967 and is headquartered in Chandler, Arizona.