Keysight Technologies RF Attenuator

The Keysight Technologies 8490D family is a line of precision fixed coaxial attenuators with performance specified up to 50 GHz. These attenuators use the 2.4 mm coaxial connector, which exhibits excellent performance from dc to 50 GHz. The 8490D family has attenuation values of 3, 6, 10, 20, 30, and 40 dB.

Provides precision attenuation
Flat frequency response
Low SWR over a broad frequency range