美国BIRD鸟牌500W衰减器_83258325,500WattOil-CooledAttenuatorisavaluableandreliableaccessoryforreducingpowerlevelsandVSWR,forisolatingcomponentsundertest,forharmonicsignalanalysis,andascomparisonstanda***.Bird'sRFattenuatorsareworldrenownedfortheirhigh-quailty,robustc***tructionandc***ervativepowerratings.EasytoUseRugged,reliabilityprovidesyearsoftroublefreeuse)