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U281A Coaxial Waveguide Adapter, 1.85 mm (f), 40 to 60 GHz

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Starting From US$ 2,307

Typical Configuration  

Typical Configuration

U281A Coaxial to Waveguide Adapter, 1.85 mm female to WR-19, 40-60 GHz

  • R-51B-001-C Return to Keysight Warranty - 1 year


Prices for: United States

* Prices are subject to change without notice. Prices shown are Manufacturer's Suggested Retail Prices (MSRP). Prices shown are exclusive of taxes.

Key Features & Specifications

Superior RF Performance

  • Maximum SWR: 1.17


  • Waveguide Designator: EIA WR-19
  • Flange Designator: UG-383 (mod)/U


The Keysight U281A adapter transforms waveguide transmission line into 50-ohm coaxial line. Power can transmitted in either direction, and each adapter covers the full frequency range of its waveguide band with SWR less than 1.3.