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P281B Coaxial Waveguide Adapter, APC-7, 12.4 to 18 GHz

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Starting From US$ 1,100

Typical Configuration  

Typical Configuration

P281B Waveguide to APC-7 Adapter.

  • P281B-701 APC-7 connector
  • 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: 1.25


  • Waveguide Designator: EIA WR-62 MIL-W-85/1-090
  • Flange Designator: UG-419/U MIL-F-3922/70A-008


  • Optional Connector: Type-N female (see picture)


The Keysight P281B 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.