bnc connector 1,material: copper or zinc 2,plating: gold/nickel/tin 3,high quality (ROHS) 4,50OHM,75OHM.cables Features:Bayonet coupling, small ... :1. The parts from us are sure to have quality warranty,and they are double tested before shipping.2. ... Hardware Electronics Co., Ltd Our company advanced equipment, the quality of the products high . with our cooperation, you must be satisfied. ...