... siamese cable :0.81CCS+CCA 95% shield in Close-Circuit Television(CCTV),Community Antenna Television(CATV) RG59 siamese cable ... at the other end. Such as in Close-Circuit Television(CCTV),Community Antenna Television(CATV) and direct ... +80°CApplicable scope: high building dialog series, monitoring, closed circuit monitoring and wired television engineering and video teaching meeting engineering ...