Low-current security systems, metallic and optical data cabling in buildings, premises wiring and also client requirements for complex wiring, LED lighting, electronic security and access control systems. CCTV camera systems and centrally controlled advertising systems in building lifts. Unified surveillance at the security guard workplace – C4 security integration system, AV technology. Wireless LAN connection to the Vlněna and Spielberk Offi ce Centre. 24/7 service supervision.