The core activity of Complan AG is to provide services to the telecommunications industry, particularly in the mobile communications sector. Specifically, this includes: site evaluation and consulting for mobile phone installations, planning and contract management for mobile phone projects, NIS calculations (assessment of maximum radiation exposure), radiation calculation and measurement, coordination with authorities and property owners, creation of execution and building permit plans, and support for building permit applications. The company thus supports the construction and operation of mobile phone networks in Switzerland by evaluating the necessary sites, clarifying technical and legal requirements, and creating the necessary permits and plans.