Key Specifications, Generic Name: RG401, Flex Type: Semi-Rigid, Impedance: 50 Ohm, Dielectric Type: PTFE, Velocity of Propagation: 69.5 %, No. of Shields: 1, Attenuation at 1 Ghz.: 7.5 dB, Power, Max at 1 Ghz.: 1,400 Watts, Frequency, Max: 20 GHz, Max Operating Temperature: 150 deg C, Center Conductor Type: Solid, Inner Conductor, Number of Strands: 1, Minimum Bend Radius, Repeated: 0.5 in, Coax Type: Coax. RG401 Coax Cable with Copper. RG401/U-BULK part number from Pasternack is a RG401 coax cable that is semi-rigid. Pasternack RG401 semi-rigid coax cable is 50 Ohm and has a PTFE dielectric. RG401 coax has a shield count of 1 and the maximum frequency for this Pasternack cable is 20 GHz. RG401 coax cable has an attenuation at 1 GHz of 7.5 dB and a maximum power of 1,400 watts at 1 GHz. Pasternack RG401 coax cables are part of over 40,000 RF, microwave and millimeter wave components. RG401 cables and our other RF parts are available for same day shipping worldwide. Custom RF cable assemblies using RG401 or other coax can be built and shipped same day as well.