... 50Ω, 75Ω*Single or multiple bare copper lines twisted as internal conductor*Solid Polyethylene Insulation* Aluminum foil shield as the fist ... 500M/ roll (Customized is available) Application RG-58 50 coaxial cable mainly used in the television, radio emission system, microwave, and ... apply to computer network interconnection. RG-59 75 coaxial cable Suitable for the analog signal and the high rate of ...