... 2)IS9001:2008, RoHs 3)User:Huawei,ZTE,USA,Germany,Canda rf feeder coaxial cableConstruction Characteristics: High physically foaming insulation, copper tape ... at 900MHz(dB/100m)Attenuation at 1800MHz(dB/100m)1/4" SF501.905.006.407.6018.4027.101/ ... " Low Loss509.4523.0025.4028.003.685.451-1/4"5013.1032.0035.8039.002.824.271-5 ... Performance: 50 ohm rf feeder coaxial cable(1/4",1/2",5/8",7/8",1-1/4,1-5/8)