WR-34 to 2.92mm Female Right Angle Waveguide to Coax Adapter, UBR-260, 21.7-33 GHz

WR-34 to 2.92mm Female Adapter for Professional Ka-Band Applications

This WR-34 waveguide to 2.92 mm female coaxial adapter is designed to provide a stable, precise and low-loss transition across the 21.7–33 GHz range, covering the Ka-Band with high performance. It is a professional QAXIAL solution ideal for advanced RF systems, microwave telecommunications, radar modules and laboratory test setups.

The 2.92 mm connector is the reference standard for applications up to 40 GHz, offering higher stability and frequency margin compared to SMA. The UBR-260 square flange ensures full mechanical compatibility with WR-34 waveguide systems, while the internal geometry is optimized to minimize insertion loss and maintain a low VSWR across the entire band.

Reliable RF Performance from 21.7 to 33 GHz

In the WR-34 / Ka-Band region, precise mechanical tolerances, internal finishing and accurate alignment between waveguide and coaxial interface are essential. Each QAXIAL adapter is manufactured with high-precision machining and strict dimensional control to ensure a stable, repeatable and reliable waveguide-to-coax transition suitable for professional and industrial environments.

Thanks to this level of performance, the adapter is ideal for predictable and stable RF behavior in 22–28 GHz telecom systems, microwave links, laboratory measurements and mmWave prototypes.

Main Features

• WR-34 / Ka-Band 21.7–33 GHz with optimized performance
• 2.92 mm female connector suitable up to 40 GHz
• UBR-260 square flange compliant with WR-34 standards
• Low insertion loss and low VSWR across the operating band
• High-precision mechanical construction and quality materials
• Suitable for RF systems, test benches and high-frequency industrial applications

Applications

• Microwave telecommunications in Ka-Band for point-to-point and backhaul links
• Radar systems operating in the 21.7–33 GHz range
• RF front-ends for WR-34 transmit/receive modules
• RF measurement setups with VNAs and instruments up to 33 GHz
• mmWave R&D and prototyping in industrial and university labs
• Ka-Band component characterization (antennas, filters, active modules, mixers)
• High-frequency industrial systems for sensing, diagnostics and control
• Integration into test platforms for RF device development and validation

Designed for Stability and Professional Use

Thanks to the combination of the 2.92 mm connector, UBR-260 flange and precise mechanical construction, this adapter maintains stable and repeatable performance over time, even under frequent connection cycles or varying operating conditions. It is suitable for continuous-operation systems and intensive RF measurement setups.

With its build quality, WR-34 standard compliance and reliable RF behavior, the WR-34 to 2.92 mm female adapter is an excellent choice for system integrators, laboratories, telecom companies, radar manufacturers and industrial environments requiring professional Ka-Band components.

Dedicated Technical Support

For complex applications or specific integration requirements, QAXIAL provides dedicated technical support. We assist in selecting the most suitable adapter and can evaluate custom variants to ensure the best performance within the user’s system.