1)cable connectors 2)material: brass 3)with high quality 4)competitive price 5))good after service Electrical Performance1, Frequency Range DC~4GHz2, ... level4, V.S.W.R Straight 1.22@3GHz Max. Right-Angle 1.30@3GHz Max.5, Contact Resistance Center Contact 1 ... sea level.8, Insertion Loss 0.20dB @ 3GHz Max.9, RF Leakage 55dB @3GHz Min.Materials1, Bodies Nickel-plated brass2, Center ...