... Dielectric withstanding voltage: 1,500V rms maximum at sea levelContact resistance:1) Center contact: 1.5m ohms maximum 2) Outer ... 0m ohms maximum3) Insertion loss: 0.2dB maximum at 3GHz4) Insulation resistance: 5,000M ohms minimum5) Mechanical and environments:6) Mating: ... ) Female: brass, phosphor bronze or beryllium copper8) Plating: gold9) Insulation:10) Material: Teflon or Delrin11) Plating: none