1)cable connectors 2)material: brass 3)with high quality 4)competitive price 5))good after service Electrical Performance1, Frequency ... 1500V r.m.s, at sea level.8, Insertion Loss 0.20dB @ 3GHz Max.9, RF Leakage 55dB @3GHz Min.Materials1 ... information 1, Coupling: bayonet-lock 2, Durability: 500 mating 3, Temperature Range: -55 to +155 4,Corrosion 5% salt solution 48hours ...