CCTV stands for (closed-circuit television) also known as video surveillance. CCTV Camera use both for Security and Monitoring. First CCTV Camera Setup Installed by the Siemens, Germany in 1942 for monitoring the launching of Rockets V-2. CCTV Camera invented by the Engineer Walter Bruch. DVR (Digital Video Receiver ) Device use to connect CCTV Cameras. RG59 BNC connectors and RG6 BNC connectors in male and female types are used to connect CCTV Camera with DVR Device. Coaxial Cable use to Long Distance CCTV Camera Setup on both sides We use BNC Connector to Connect with CCTV Camera and DVR Device.