The FME series products join whorl as M8×0.75,have another name called SAP joining device,Suitable frequency does the signal and is transmittde and joins the coaxial coaxial cable of the radio frequency to use for the electron tube instrument mobile communication,aerial system of 3GHz.Specifications: Temperature Range-65~+155( PE cable -40~+85)Impedance50 ohmFrequency Range0-3GCenter conductor withdrawl force0.57NWorking Voltage500V MaxContact ResistanceInner: 10 miliohms maxOuter: 5 miliohms maxVSWRstraight:1.2max,R/A:1.25max Insulation resistance5000 miliohmsWithstand Voltage(At the sea level)1000VDurability500cyclesAuthenticationISO9001: 2000, 14001: 2004 RoHS shell     brass gold plated   contact pin brass gold platedinsulator PTFE