Radio broadcasting system is the equipment of the object (building, room, area, etc.) with broadcasting stations, modern wire broadcasting network and radio receivers.

The principle of operation is as follows: the audio signal (music, speech) first goesto the amplifying station (radio station) from broadcasting or cable channels. The output signalis transmitted via feeders that have their own separate switching. Usually, the separation is made by districts or specific directions.

«Liman-trade» performs installation of radio in buildings of different heights with connectionto internal or over-the-air network, equipment installation and subsequent maintenance.