Transportation & public safety

DAB-BI 2.0

DAB/DAB+/DMB Tunnel Break-in System


  • Retransmission and voice break-in of DAB signals in tunnels, for replacing audio programs with live or pre-recorded announcements,  typically for emergency messages.

Key benefits

  • Field Proven: Used in tunnels in Hong Kong and Norway;
  • Compact: 1 box (483x350x177mm) for up to 4 ensembles;
  • Simultaneous multi-ensemble management for up to 4 ensembles;
  • SFN capability, synchronisation with GPS antenna signal;
  • Follows automatically dynamic multiplex reconfigurations of DAB ensembles in the signal outside the tunnel;
  • Unlimited number of encoders;
  • Straight forward easy to use design with user friendly GUIs;
  • Remote control, maintenance and monitoring;

More Information