Welcome at  4 TEC AG

4 TEC AG, with headquarters in Gossau, stands for development, consulting, manufacturing and distribution. As marketing- and sales organization is our department the application for the technology of sensors in devices and equipment for different industry and markets.
As direct contact we provide for our customers the base technologies and as well the necessary know-how, to develop together market-oriented.
4 TEC AG successfully works with partner companies together which have the complimentary competence  in active-passive infrared, microwaves and image processing technologies. 
Those partners work and develop exclusively by order of the 4 TEC AG.

We develop your sensor