Please note that ALL security and All Audio/Visual can function correctly and securely thanks to an excellent home network, firewall, WiFi, and cabled build-out. For your security cameras to be secure, and not used to spy on you, you need an extremely secure home network. In order for key card readers to function, you need an extremely security network. If you want the Pool houses, private areas, basement, secure art or staff rooms, bomb or earthquake shelters, satellite networks, you need an extremely secure network. We build EXTREMELY secure networks, for 30 years.