1/2" rf feeder coaxial cable 1)Size:3.55mm9mm12mm13.7mm 2)IS9001:2008, RoHs ... , military use, aerospace, vessel or other circumstance where RF cable is needed. Inner Conductor: Smooth Copper Tube/ Copper Coating ... 0017.0019.7022.005.077.547/8" F509.4022.0024.9027.504.056.037/8" SF509.4022.0024.9027.504.306 ... .413.70 Electricial Performance: 50 ohm rf feeder coaxial cable(1/4",1/2",5/8",7/8",1-1/4,1-5 ...