Key Specifications, Waveguide Size: WR-90, Coax Connector Series: N, Coax Connector Gender: Female, Waveguide Adapter Style: Right Angle, Minimum Frequency: 8.2 GHz, Maximum Frequency: 12.4 GHz, Maximum VSWR: 1.25:1. WR-90 UBR100 Flange to N Female Waveguide to Coax Adapter Operating from 8.2 GHz to 12.4 GHz in Brass. PEWCA1092 WR-90 waveguide to coax adapter is also known as a WR-90 waveguide transition. This waveguide to coax adapter / transition is constructed as a WR-90 to N type connector and has a female gender. Our WR90 to type N female waveguide adapter transition has a right angle design and has a UBR100 flange. Pasternack right angle WR-90 to type N waveguide to coaxial cable transition / adapter has a minimum frequency of 8.2 GHz and a maximum frequency of 12.4 GHz. WR-90 waveguide to type N transition adapter to coax PEWCA1092 is part of over 40,000 RF, microwave and millimeter wave components available from Pasternack. Our WR-90 waveguide adapter transition with N type interface can ship worldwide the same day that it is purchased as with our other available RF parts.