Key Specifications, Waveguide Size 1: WR-22, Flange Size 1: UG-383/U, Waveguide Size 2: WR-22, Flange Size 2: UG-383/U, Length: 9 inches, Frequency, Min: 33 GHz, Frequency, Max: 50 GHz. WR-22 Instrumentation Grade Straight Waveguide Section 9 Inch Length with UG-383/U Flange Operating from 33 GHz to 50 GHz. PE-W22S001-9 WR-22 waveguide section is straight and is 9 inches long. This 9 inch WR-22 straight waveguide section from Pasternack is instrumentation grade and has a UG-383/U flange. Our straight WR-22 waveguide section with UG-383/U flange has a minimum frequency of 33 GHz and a maximum frequency of 50 GHz. WR-22 waveguide section PE-W22S001-9 is part of over 40,000 RF, microwave and millimeter wave components. Our instrumentation grade WR-22 straight waveguide section will ship same the day as it is purchased worldwide as with our other RF parts.