- Sound Emitters in Liechtenstein
- Since 1988 the country is overall covered with 23 sound emitter installations.
- 5 pcs electronic, TYFONIC ET 500/4-2 and ET 500/2-2.
- 18 pcs air horn, KTG-10.
- Radio control system for the sound emitters was installed during 2004.
- Alarm release and supervision.
