N series connector is a kind of threaded connection with low power. It widely applies to radio equipments and instruments for connecting RF coaxial cables. It can exchange with the international like product. Electrical Characteristics: Characteristic Impedance: 50© Frequency Range: 0-11GHz Contact Resistance: Inner conductor: d1.0m© Out conductor: d0.2 m© Insulation Resistance: e5000M© VSWR: d1.30 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 plated Insulator: PTFE Gasket: Silicone Rubber