Tunnel Radio Re-broadcasting System

  • Radio rebroadcasters
Tunnel Radio Re-broadcasting System


The tunnel radio re-broadcasting system is designed to re-transmit AM-FM radiobroadcasts, allowing drivers to listen to the radio programs through their car radios even in a tunnel.
In event of emergency or accident, the equipment can broadcast warning and evacuation messages by interrupting the general radio broadcasts to support comfortable and safe driving in a tunnel.

  • The equipment re-broadcasts AM/FM broadcasts in the normal time.
  • In event of emergency, the equipment provides an interrupt emergency broadcast on all broadcast channels.
  • Broadcasting with a microphone
  • Broadcasting from a voice memory or tape deck.

An emergency broadcast can be transmitted from a voice memory or tape deck by manual operation from a control console or by automatic operation using the start signal from a road information warning system.


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