结构内导体实心铜包铝/铜Φ3.1mm绝缘发泡PEΦ8.35mm外导体波纹铜管加槽口Φ9.5mm护套PE/低烟无卤Φ11.2mm电气和物理性能特性阻抗50&plu***n;3Ohm标称电容76pF/m传播速度88%绝缘电阻>5000Mohm.Km内导体电阻3.1Ohm/Km外导体电阻3.1Ohm/Km安装温度范围衰减频率(MHZ)衰减(DB/100M)衰减(DB/100FT)753.31.011504.51.374507.52.2980010.53.2090011.03.35180015.84.82)