radio and public address systems in the tunnels on the A1, A2 and A6 highways

emergency roadside telephone system on the A3 and A6 highways

connection and measurements on the railway TC cable (Moravice-Rijeka, Rijeka-Šapjane, Škrljevo-Bakar, Vinkovci-Tovarnik)

cable conduit and fiber optic cable on sections of the A6 highway

radio and video system in the Učka tunnel

establishment of the AVL system for tracking vehicles and vessels

establishment of spatial information systems

consulting in the implementation and integration of IS with complex radio communication systems

development of special software solutions