Key Specifications, Type of Bend: H-Bend, Waveguide Size 1: WR-15, Flange Size 1: UG-385/U, Flange Size 2: UG-385/U, Frequency, Min: 50 GHz, Frequency, Max: 75 GHz. WR-15 Waveguide H-Bend Instrumentation Grade Using UG-385/U Flange With a 50 GHz to 75 GHz Frequency Range. PE-W15B002A is a WR-15 waveguide bend that is a H-Bend type with a UG-385/U flange. Our WR-15 waveguide bend has a minimum frequency of 50 GHz and a maximum frequency of 75 GHz. WR-15 waveguide bend PE-W15B002A is part of over 40,000 RF, microwave and millimeter wave components available from Pasternack. This WR-15 H-Bend waveguide with UG-385/U flange can ship worldwide the same day as it is purchased as with our other available RF parts.