- Category Map
Tunnel Radio Re-broadcasting System
- Radio Broadcast Device
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.