Key Specifications, Waveguide Size: WR-90, Coax Connector Impedance: 50 Ohm, Coax Connector Series: SMA, Coax Connector Gender: Female, Waveguide Adapter Style: Right Angle, Minimum Frequency: 8.2 GHz, Maximum Frequency: 12.4 GHz. WR-90 CPR-90G Grooved Flange to SMA Female Waveguide to Coax Adapter, 8.2 GHz to 12.4 GHz, X Band, Aluminum, Paint. PEWCA1034 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 SMA connector and has a female gender. Our WR-90 to SMA female waveguide adapter transition has a right angle design and has a CPR-90G flange. Pasternack right angle WR-90 to SMA waveguide to coaxial cable transition / adapter has a minimum frequency of 8.2 GHz and a maximum frequency of 12.4 GHz. WR90 waveguide to SMA transition adapter to coax PEWCA1034 is part of over 40,000 RF, microwave and millimeter wave components available from Pasternack. Our WR-90 waveguide adapter transition with SMA interface can ship worldwide the same day that it is purchased as with our other available RF parts.