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Starting From US$ 1,373

Typical Configuration  

Typical Configuration

11581A Coaxial attenuator set of (4) 8491A's

  • R-51B-001-C Return to Keysight Warranty - 1 year
  • 11581A-0B0 Download the Product Manual from the Keysight website


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

  • DC to 12.4 GHz frequency range


  • Type-N connectors
  • Multiple dB attenuators included in one set
  • Walnut accessory case


The Keysight 11581A contains a set of four Keysight 8491A attenuators 3, 6, 10 and 20 dB with type-N connectors, furnished in a walnut accessory case. This set is ideal for calibration labs or where precise knowledge of attenuation and SWR is desired.

For more information about fixed rf attenuators, please visit Attenuators, Fixed.