... specificationsStandard Resistance:50ΩResistance Tolerance: ±5% ±2%Power Rating:5~500WFrequency:DC~18FHzTemperature Range :-55~+150° ... have Circulator,Isolator,Duplexer,Combiner,Tower Amplifier,Directional Coupler,Power Splitter,Filter Etc. They are widely applied to radios, ... systems, various RF systems and radar systems.splitter,directional coupler, power tapper,3dB hybrid coupler, hybrid matrix, ...