7/ 16 series RF coaxial connector is threaded connection and it has low-loss, high-power transmission and mostly has water-proof structure. Electrical Characteristics: Characteristic Impedance: 50© Frequency Range: 0-7.5GHz Contact Resistance: Inner conductor: d1.0m© Out conductor: d0.25m© Insulation Resistance: e10000M© Dielectric Withstand: 2700V VSWR: Straight: d 1.20 Right Angle: d 1.30 Durability: 500 cycles Material and Finishing: Center Contact: Pin-------brass, gold or silver plated Jack------Phosphor bronze or beryllium bronze, gold or silver plated Body and other metal parts: brass, nickel or ternary alloy or silver plated Insulator: PTFE Gasket: Silicone Rubber