# 8490D Keysight Fixed Attenuator New

**Features:**

**Superior RF Performance**

-   Frequency Range: DC to 50 GHz
-   Maximum SWR (except 40 dB): 1.15 to 26.5 GHz, 1.25 to 40 GHz, 1.45 to 50 GHz
-   Maximum SWR (40 dB attenuator): 1.08 to 26.5 GHz, 1.15 to 40 GHz, 1.25 to 50 GHz

**Power handling**

-   Maximum Input Power: 1 W (average)
-   Connector: 2.4 mm male, female

The Keysight 8490D coaxial fixed attenuator provides precision attenuation, flat frequency response, low SWR over broad frequency range at a low price. The attenuator is available in nominal attenuations of 3 dB and 6 dB, also 10 dB increments from 10 dB to 40 dB. This attenuator is swept-frequency tested to ensure they meet specifications at all frequencies. Calibration points are provided on a nameplate chart attached to each unit.

## Details

- **Price:** 1265.0 USD
- **Vendor:** Keysight
- **Type:** Fix Atten
- **Tags:** Attenuator, Fixed, Keysight, Keysight Technologies, Manufacturers, Other Equipment, product_manual_group_3, Product_new

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 1265.00 USD | In stock |

## Images

- 8490D Keysight Technologies Fixed Attenuator

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> Source: [ValueTronics](https://valuetronics.com/products/8490d-keysight-fixed-attenuator-new)
> Updated: 2026-05-29