# 8491B Keysight Fixed Attenuator New

**Features:**

**Superior RF Performance**

-   Frequency Range: DC to 18 GHz
-   Maximum SWR: 1.2 to 8 GHz, 1.3 to 12.4 GHz, 1.5 to 18 GHz

**Power Handling**

-   Maximum Input Power: 2 W (average), 100 W (peak)
-   Connector: Type-N male, female

The Keysight 8491B coaxial fixed attenuator provides precise attenuation, flat frequency response, and low SWR over broad frequency ranges. The attenuator is available in nominal attenuations of 3 dB and 6 dB, as well as 10 dB increments from 10 dB to 60 dB. It has type-N connectors with a maximum frequency of 18 GHz. This swept-frequency tested attenuator ensures specification compliance at all frequencies. A nameplate chart attached to each unit lists calibration points.

## Details

- **Price:** 519.0 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 | 519.00 USD | In stock |

## Images

- 8491B Keysight Technologies Fixed Attenuator

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> Source: [ValueTronics](https://valuetronics.com/products/8491b-keysight-fixed-attenuator-new)
> Updated: 2026-05-29