Welcome to our webpage. We design and produce electronical devices. We were the first to use digital technology in interphone systems. Today we specialise in the branch.

We are a leading Polish producer of complex interphone systems of so called "Intelligent Building", "Intelligent Residential Development" type. We also produce standard analogue interphones. If you are looking for high quality and modern design in interphone systems, visit our web pages.

PROEL Sp.J.