4 WAVEGUIDE TRANSITION MODEL NO ST4858WA100PPA FREQ RANGE (GHz) 4.64-5.99 VSWR Max 1.1 LENGTH (mm) 180 PORT 1 WG TYPE (IEC/EIA) R48/WR187 PORT 2 WG TYPE (IEC/EIA) R58/WR159 FLANGE TYPE FDP/FDM MATERIAL Al/Cu * Please refer to the Technical Reference section for flange types/connectors details.The outline drawings shown are standard versions. Please contact us for your specific requirements. PDF Datasheet WR187 to WR159 Waveguide Transition Request a Quote The transitions are used for connecting waveguides in different shapes and sizes to ensure high mechanical tolerance, surface smoothness and minimum loss. Flange type and length can be custom made as per customer's specific requirements.