we provide 1.all kinds of rf connector; 2.various design;3.wonderful quality, reasonable price characteristic Impedance 50 ohmFrequency Range DC-11GHzVSWR STRT 0-3G ≤1.1 R/A0-3G≤1.15Dielectric Withstanding Voltage ≥2500V RMS,50Hz,at sea levelDielectric Resistance ≥5000MΩContact Resistance Center Contact ≤1.0mΩ Outer Contact ≤0.5mΩ N Male Connector FOR 7D-FB cable