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: 1.0m++ Out conductor: 0.2 m++ Insulation resistance: +5000m++ Vswr: 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 plated Insulator: PTFE Gasket: silicone rubber. Standard export packing.