# U281A Keysight Waveguide Adapter New

**Features:** 

-   Waveguide Designator: EIA WR-19
-   Flange Designator: UG-383 (mod)/U
-   Maximum SWR: 1.17
-   Superior RF Performance

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.

## Details

- **Price:** 4036.0 USD
- **Vendor:** Keysight
- **Type:** Wave Adap
- **Tags:** product_manual_group_3

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 4036.00 USD | In stock |

## Images

- U281A Keysight Technologies Waveguide Adapter

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> Source: [ValueTronics](https://valuetronics.com/products/u281a-keysight-waveguide-adapter-new)
> Updated: 2026-05-29