Key Specifications, Type of Bend: E-Bend, Waveguide Size 1: WR-28, Flange Size 1: UG-599/U, Waveguide Size 2: WR-28, Flange Size 2: UG-599/U, Frequency, Min: 26.5 GHz, Frequency, Max: 40 GHz. WR-28 Instrumentation Grade Waveguide E-Bend with UG-599/U Flange Operating from 26.5 GHz to 40 GHz. PE-W28B001 is a WR-28 waveguide bend that is a E-Bend type with a UG-599/U flange. This WR-28 E-Bend waveguide with UG-599/U flange from Pasternack is instrumentation grade. Our WR-28 instrumentation grade waveguide bend has a minimum frequency of 26.5 GHz and a maximum frequency of 40 GHz. WR-28 waveguide bend PE-W28B001 is part of over 40,000 RF, microwave and millimeter wave components available from Pasternack. This instrumentation grade WR 28 E-Bend waveguide with UG-599/U flange can ship worldwide the same day as it is purchased as with our other available RF parts.