Amphenol Connex Metric RF Fixed Length Cable Assemblies Metric cable assemblies feature the same high quality, gold and nickel plated Amphenol Connex connectors as the imperial length assemblies. Standard Metric lengths assemblies are available for a variety of BNC, SMA, SMB, and between series cable assembly configurations, Straight plugs, R/A plugs, and bulkhead jacks are available. These cable assemblies feature 50Ω and 75Ω impedance to allow customers to match impedance to system requirements. Flexible Cable types for these assemblies include RG-316, RG-316 Double Braided, RG-58, RG-59, RG-174, and conformable semi-rigid options that include both 0.085' and 0.141' diameter cables. These assemblies are ideal for a variety of commercial and industrial applications. Learn More