GW Security Premade 4 x 150ft RG59 Combo Siamese CCTV Coaxial Cable White for HD-SDI / HD-TVI Camera System with BNC Connector and 2.1mm Power Connector (White) Perfect connection with no interference or quality decrease for all security cameras. Special made for HD-SDI and HD-CVI Cameras. Professional Grade for 700TVL, 1000TVL, 1200TVL, HD-CVI, HD-AHD, HD-TVI, HD-SDI Cameras.