Keysight Q281A: Seamless Coaxial-to-Waveguide Transition for 33-50 GHz Applications

Erik Prayoga — Tue, 23 Jun 2026 04:46:42 +0000

Features and Specifications: Keysight Q281A Coaxial to Waveguide Adapter, 2.4 mm(f) to WR-22, 33 – 50 GHz

Product Overview:

The Keysight Q281A Coaxial to Waveguide Adapter seamlessly connects 2.4 mm coaxial connectors to WR-22 waveguides, enabling efficient signal transmission between different types of measurement equipment. Operating within a frequency range of 33 – 50 GHz, this adapter ensures reliable and accurate signal transfer for various applications.

Features:

Coaxial connector: 2.4 mm (f)
Waveguide connector: WR-22
Frequency range: 33 – 50 GHz
VSWR: ≤ 1.25 (typical)
Insertion loss: ≤ 0.5 dB (typical)
Power handling: 200 W (average)
Precision-machined for optimal performance
Durable construction for long-lasting use

Benefits:

Enables seamless connection between coaxial and waveguide systems
Provides accurate and reliable signal transmission
Reduces signal loss and ensures high-quality measurements
Facilitates efficient testing and measurement setups
Enhances the versatility of measurement equipment

Value to the Customer:

The Keysight Q281A Coaxial to Waveguide Adapter offers exceptional value to customers by:

Simplifying the integration of coaxial and waveguide components
Improving measurement accuracy and reliability
Enhancing the efficiency of testing and measurement processes
Providing a cost-effective solution for connecting different types of equipment
Supporting a wide range of applications in research, development, and manufacturing

Coaxial to Waveguide Adapter – Erik Prayoga

Keysight Q281A: Seamless Coaxial-to-Waveguide Transition for 33-50 GHz Applications