Spirent Communications Plc engages in the development of communication technologies. It operates through the following segments: Networks & Applications, Wireless & Positioning, and Service Assurance. The Networks & Applications segment develops innovative solutions for functional, performance, and security testing of next-generation networks and applications that simulate real-world conditions in the lab, before a commercial launch and in the live network. The Wireless & Positioning segment offers solutions for functional and performance testing of 4G LTE and 3G mobile devices and services and satellite positioning devices, as well as products and services for assessing the service experience on live networks. The Service Assurance segment comprises of solutions that enables service providers to turn-up new services and diagnose and troubleshoot network and customer issues, as well as systems for mobile device management, device analytics and intelligence solutions for mobile operators. The company was founded by Jack Bowthorpe in 1936 and is headquartered in Crawley, the United Kingdom.