BNC male to ffemale connector CCTV camera RF adapter:BNC Type is one kind of RF connectors using abayonet type coupling mechanism. Characteristic impedance has types: 50Ωand 75Ω.They can be quick connect/disconnect, reliable lock etc. They are widely used in connection with the RF coaxial cables in computer field, network of wireless, medical equipment and electronic instrument.Temperature Range-55~+155ºC(PE Cable -40~+85ºC)Vibration100m/S²(10~500Hz)10gImpedance50Ω,75ΩFrequency RangeDC~1 GHzWorking Voltage500V r.m.sat sea levelWithstand Voltage1500V r.m.sat sea levelContact ResistantCenter Contact≤1.5mΩOuter Contact≤1mΩInsulation Resistance≥5000MΩCenter Conductor Retention Force≥0.57NVoltage Standing Wave RadioStraight≤1.20Right Angle≤1.30Durability(Mating)≥500(cycles)