Get Adobe Flash player


WISI is pioneer of communication technology. Since its incorporation by Wilhelm Sihn jr. in 1926, WISI has been one of the pioneers of receiving and distribution technology.

With products and services of the highest quality, WISI will continue its participation in shaping the development of technologies and markets and exploring new areas.

For customers, partners and employees, WISI will continue to be a dependable entity also in the future. In many advanced communication systems, solutions by WISI comprise essential components.