Material Upper and Lower Body Zinc die cast, gold over nickel plate PC and Flat Contacts Beryllium copper or brass, gold over nickel plate Compression Spring Stainless Steel Actuator, Coil Bobbin and Insulators LCP or PeekCoil Body and Plunger Steel, zinc platedCoil Copper magnet wire, polyurethane overcoated with polyamide Dust Seal Silicone rubber > Electrical Impedance 50 or 75 , nominal VSWR 1.15 MAX DC to 1 GHz 1.2 MAX 1 to 2 GHz 1.25 MAX 2 to 3 GHz Insertion Loss .10 db MAX. DC to 1 GHz .15 db MAX. 1 to 2 GHz .20 db MAX. 2 to 3 GHz Isolation 65dB MIN. DC to 1 GHz 60dB MIN. 1 to 2 GHz 50...