Key Specifications, Type of Bend: H-Bend, Waveguide Size 1: WR-90, Flange Size 1: None, Waveguide Size 2: WR-90, Flange Size 2: None, Frequency, Min: 8.2 GHz, Frequency, Max: 12.4 GHz. WR-90 Commercial Grade Waveguide H-Bend with CPR-90G Flange Operating from 8.2 GHz to 12.4 GHz. PE-W90B004 is a WR-90 waveguide bend that is a H-Bend type with a None flange. This WR-90 H-Bend waveguide with None flange from Pasternack is commercial grade. Our WR-90 commercial grade waveguide bend has a minimum frequency of 8.2 GHz and a maximum frequency of 12.4 GHz. WR-90 waveguide bend PE-W90B004 is part of over 40,000 RF, microwave and millimeter wave components available from Pasternack. This commercial grade WR90 H-Bend waveguide with None flange can ship worldwide the same day as it is purchased as with our other available RF parts.