Radio
System

Radio System provides uninterrupted radio communication for all users during the passing through the tunnel and enables access to constant FM and VHF frequencies, as well as GSM (2G) and UMTS (3G) networks for safe and pleasurable drive through the tunnel
Following signals are available in the tunnel:

VHF

VHF signals are used by the police, fire fighters, ambulance and highway maintenance services

FM

FM signals are used for listening of radio stations in the tunnel and informing drivers about traffic conditions

GSM i UMTS

GSM (2G) and UMTS (3G) are used for seamless phone calls in the tunnel

ELEMENT SCHEME

  • 1. TMCC - FM, VHF, GSM, UMTS stations
  • 2. Inbound signal
  • 3. One-way communication
  • 4. Amplifier inside of SOS niche (trafo station)
  • 5. Radiating cable – installed alongside the entire length of the tunnel