Universal KU band LNB,C band LNB,MMDS downconverter 1.Style:single,twin, ... Fre.:universal 4.good service Universal KU band LNB,C band LNB,MMDS downconverter1.SpecificationKu band LNBF/D Ratio0.6 ... 19.0V Operating temperature: -40°C to +70°C Storage temperature: -40°C to +80°C Relative humidity: 0% to 95 ... % 2.How to testI think my LNB is ...