Radiolabs is partner of the SBS-RAILS Phase 2.1 Technology Demonstrator coordinated by Ansaldo STS and participated by RFI. The project aims to design, develop and test, both on laboratory and on field, a demonstrator for the certification of a ERTMS L2 Regional Line Solution (ERSAT program) based on GNSS localization and public telecom IP services including Satcom. Radiolabs is involved on various tasks, mainly in the development of simulation tools for the GNSS Test Environment, GNSS Characterization and performance analysis, and more on Radio TLC (MLCP and Voice Module) commissioning and final field tests on the Pinerolo – Sangone line.