Description
18 GHz to 110 GHz across seven bands; Waveguide sizes from WR-42 to WR-10.Gold. Gold. Compliance Certifications. RF Waveguide Twists: WR-90, WR-28 flanges. Change polarization. Silver- plated and gold waveguide twists
https://www.satellitedish.com/waveguide-twist.pdf