Key Specifications, Type of Bend: E-Bend, Waveguide Size 1: WR-137, Flange Size 1: None, Waveguide Size 2: WR-137, Flange Size 2: None, Frequency, Min: 5.85 GHz, Frequency, Max: 8.2 GHz. WR-137 Commercial Grade Waveguide E-Bend with CPR-137G Flange Operating from 5.85 GHz to 8.2 GHz. PE-W137B003 is a WR-137 waveguide bend that is a E-Bend type with a None flange. This WR-137 E-Bend waveguide with None flange from Pasternack is commercial grade. Our WR-137 commercial grade waveguide bend has a minimum frequency of 5.85 GHz and a maximum frequency of 8.2 GHz. WR 137 waveguide bend PE-W137B003 is part of over 40,000 RF, microwave and millimeter wave components available from Pasternack. This commercial grade WR-137 E-Bend waveguide with None flange can ship worldwide the same day as it is purchased as with our other available RF parts.