... Connector or adaptor Specifications, thanks.BNC SpecificationsElectrical Performance1, Frequency Range DC~4GHz2, Impedance 50 Ohms3, Voltage Rating 500V r. ... level.8, Insertion Loss 0.20dB @ 3GHz Max.9, RF Leakage 55dB @3GHz Min.Materials1, Bodies Nickel-plated brass2, Center ... Coupling: bayonet-lock 2, Durability: 500 mating 3, Temperature Range: -55 to +155 4,Corrosion 5% salt solution 48hours Min ...