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)
Stock: 10+ in stock | Delivery: 5-7 working days
Quantity:
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WR-90 Waveguide Coaxial Adapter

Model: WC-090-UBR-A2-SF | 8.2 - 12.4 GHz | 200W | SMA-Female
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 WR-90 waveguide components and horn antennas in EMI/EMC testing, laboratory measurement ranges, and signal protection 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 to 12.4 GHz (X-Band)
Maximum Power Handling 200 Watts (CW)
V.S.W.R (Max) 1.3 : 1
Waveguide Standard WR-90 (R100)
Coaxial Connector SMA-Female
Mechanical & Physical Specs
Dimensions (WxHxL) 41.4 x 41.4 x 36 mm
Net Weight 70 g
Waveguide Flange UG-39/U (UBR Style)
Body Material High-Grade Aluminum
Origin Made in Taiwan (FT-RF)
Key Tactical Features

X-Band Spectrum Integrity

Optimized for the 8.2-12.4 GHz band, ensuring minimal signal leakage and maximum performance when paired with professional waveguide systems.

Precision SMA Interface

Equipped with a high-durability SMA-Female connector, providing reliable electrical contact and structural rigidity for repeatable lab measurements.

Ultra-Lightweight Build

Weighing only 70g, this compact aluminum adapter ensures minimal load on precision laboratory positioners while maintaining structural strength.

Standardized UBR Interface

Features a standardized UG-39/U flange for secure mechanical coupling, ensuring low VSWR and stable power transfer in demanding RF environments.

Get a Quote / Custom RF Solutions

Contact us for specialized flange drilling, custom connector types, or alternative waveguide adapter designs.