CTRL@TRACK 100 is the key element of the train interval control system and features two interface options - relay and digital. The system is made for implementation on mainline railways.
CTRL@TRACK 50 is the key element of train interval control system in metros of Russian Federation and CIS. The system includes transmitters of audio-frequency track circuits and coding ALS-ARS (PG-01 / 02R), receivers of audio-frequency track circuits (PP-01 / 02R) together with adapter connectors.