Here you can find Digirail project materials:

ETCS-ATO test deployment with a pre-FRMCS multi-channel router
RMR MNO UE Interference Study
Digirail Study – Summary
View the final report (in Finnish)
Digirail Press Release 07.04.2020 / The Ministry of Transport and Communications
Digirail Information Event presentations (PDF)
Digirail Information Event (Invitation)
Evaluating-FRMCS-Over-Mobile-Network-Operators-In-Finland.pdf