1/2" rf feeder coaxial cable 1)Size:3.55mm9mm12mm13.7mm 2)IS9001:2008, RoHs 3)User:Huawei,ZTE,USA,Germany,Canda ... )Attenuation at 900MHz(dB/100m)Attenuation at 1800MHz(dB/100m)1/4" SF501.905.006.407.6018.4027.101/4"502 ... .847/8" Low Loss509.4523.0025.4028.003.685.451-1/4"5013.1032.0035.8039.002.824.271-5/8 ... .413.70 Electricial Performance: 50 ohm rf feeder coaxial cable(1/4",1/2",5/8",7/8",1-1/4,1-5/8)