特征***,MM链接头类型FC/SC/ST/LC/MU/MT-RJ/ESCON/E2000直径0.9,2.0,3.0研磨***PCMMPCUPCAPC插入损耗≤0.3dB≤0.4dB≤0.2dB≤0.3dB回波损耗≥40dB≥50dB≥65dB互换性≤0.2dB重复性≤0.2dB温度范围（℃）-40~+85)