# V281ES Keysight Waveguide Adapter New

**Features:**

-   Ruggedized 1.0 mm female connector for use with a measurement instrument with a WR-15 waveguide adapter
-   V-band, 50 to 75 GHz
-   Return loss: ≥16 dB (20 dB typical)
-   Insertion loss: ≤0.6 dB (0.4 dB typical)

The Keysight V281ES in-line waveguide adapter, 1.0 mm (f) to WR-15, interconnects a ruggedized 1.0 mm connector port to a waveguide device in V-band, 50 to 75 GHz. The waveguide port of the adapter uses a metrology-grade interface that includes an outer anti-cocking ring for repeatable connections and precision alignment holes above and below the broad wall of the waveguide opening to provide more accurate alignment for connecting calibration standards.

## Details

- **Price:** 5093.0 USD
- **Vendor:** Keysight
- **Type:** Wave Adap
- **Tags:** product_manual_group_3

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 5093.00 USD | In stock |

## Images

- V281ES Keysight Technologies Waveguide Adapter

---

> Source: [ValueTronics](https://valuetronics.com/products/v281es-keysight-waveguide-adapter-new)
> Updated: 2026-05-29