1,material: copper or zinc 2,plating: gold/nickel/tin 3,inside contact: brass and gold pate 4,high quality or reasonale pr 1,material: copper or zinc 2,plating: gold/nickel/tin 3,inside contact: brass and gold pate 4,high quality or reasonale priceSMA Type Series RF Coaxial Connectors Type SMA is one kind of RF coaxial connectors that is widely applied, with small-sized thread coupling ...