... wonderful quality, reasonable price we provide1.all kinds of rf cable supply 2.various materia3.we can be customized4. ... 4Impedance(ohm)50Velocity of Propagation(%)84Operating Frequency(GHz)50Time Delay(ns/m)4.7Max. Operating Voltage(kVrms)1.5Min. Screening Effectiveness ... . specializing in the research, development, manufacture and sale of RF coaxial connectors, cable assemblies, antennas, and so on.As ...