Comprehensive’s True 75 Ohm BNC Connectors eliminate impedance mismatching and distortion that can be caused by using 50 ohm connectors on 75 ohm cable. Comprehensive true 75 ohm BNC connectors are recommended for all analog applications and is a must for all digital/high bandwidth applications above 300 MHz.Comprehensive’s lifetime warranty makes Comprehensive connectors the preferred choice of video/multimedia consultants and engineers worldwide.