Expandium, a VIAVI Solutions company, is an innovative and leading provider of critical network monitoring solutions that uses the latest big data technologies, enhanced with machine learning and AI. Since its establishment in 2005, our company has provided public and railway operators with the latest generation of tools to build network intelligence, ranging from troubleshooting to optimization through Customer Experience Management (CEM) and Service Quality Management (SQM). Our solutions monitor all railway standards: GSM-R, ETCS and the upcoming FRMCS. We are the leading providers of railway telecommunication and signalling monitoring solutions. Close to 90% of European railway operators are using Expandium products. Our expertise also extends to other mission critical operators planning or currently moving to 5G. Expandium is part of VIAVI Solutions since June 2020, and continues to be based in Saint-Herblain - France. For any inquiries, please contact us at expandium.sales[@]viavisolutions.com