WR90 Waveguide to Coaxial Adapter, 8.2 to 12.4GHz Frequency, SMA-Female Connector, UBR Flange

Model No: WC-090-UBR-A2-SF

Made in Taiwan
Frequency Range: 8.2 to 12.4 GHz
Connector Type: SMA-Female
Max Power (W): 200 Watts
Waveguide Size: WR-90 (UG-39/U)
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8.2 GHz to 12.4 GHz WR-90 Waveguide to Coaxial Adapter

Model: WC-090-UBR-A2-SF | SMA-Female Connector | 200W Power
The WC-090-UBR-A2-SF is a high-precision Waveguide to Coaxial Adapter professionally engineered for the WR-90 standard. Operating within the 8.2 GHz to 12.4 GHz X-Band spectrum, this precision component is essential for pairing with professional waveguide systems and standard gain horn antennas in EMI/EMC testing, laboratory measurement ranges, and Signal Defense calibration. Featuring a high-quality SMA-Female connector and a standardized UG-39/U (UBR) flange, it ensures low-loss coupling and exceptional Signal Integrity for mission-critical RF deployments.
Technical Specifications
Electrical & RF Performance
Frequency Range 8.2 GHz to 12.4 GHz (X-Band)
Waveguide Standard WR-90 / R100 / WG16
V.S.W.R (Max) 1.3 : 1
Maximum Power Handling 200 Watts (CW)
Impedance 50 Ohm
Mechanical & Construction
Dimensions (W x H x L) 41.4 x 41.4 x 36 mm
Net Weight 70 g (Ultra-Lightweight)
Waveguide Flange UG-39/U (UBR Style)
Body Material High-Grade Machined Aluminum
Coaxial Connector SMA-Female
Manufacturing Origin Taiwan Design / Made in Taiwan (FT-RF)
Key Tactical Features

X-Band Spectrum Integrity

Optimized internal transition geometry ensures minimal signal leakage and reflection when paired with professional X-Band waveguide hardware or antennas.

Precision SMA Interface

Equipped with a high-durability SMA-Female connector to provide superior electrical contact stability and structural longevity for repeatable laboratory measurements.

Ultra-Lightweight Architecture

At only 70g, this compact aluminum adapter ensures minimal load on precision laboratory positioners while maintaining the structural rigidity required for field tactical deployments.

Standardized UBR Interface

Features a specialized UG-39/U waveguide flange for secure mechanical coupling, ensuring repeatable results in demanding Signal Defense environments.

Request a Professional Quote

Contact our engineering team to obtain individual V.S.W.R plots, customized flange drilling patterns, or alternative waveguide adapter designs.