特性阻Characteristic Impedance 50 ohm 频率范围Frequency Range DC-7.5GHz 电压驻波比VSWR ≤1.10(2.5G) 电强度Dielectric Withstanding Voltage ≥4000V RMS,50Hz,at sea level 缘电阻Dielectric Resistance ≥10000MΩ 接触电阻Contact Resistance 中心导体间Center Contact ≤0.4mΩ 外导体间Outer Contact ≤1.5mΩ