We are experts in the field of large-scale alert and warning systems since 1961

Sirene Stadt Zürich

Powerful and modern siren systems for all types of applications

Mobile Sirene

Mobil and stationary - intelligent alert and warning systems for more safety

Stadler véhicule ferroviaire

Acoustic warning system for railway vehicles

Facts and numbers

Active siren systems in Switzerland
Company foundation
Market share in Switzerland
Installations worldwide
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