The ADH939S from Analog Devices is a Space Qualified Variable Attenuator with Frequency 0.1 to 40 GHz, Attenuation Range 1 to 31 dB, Attenuation Accuracy +/- 0.5 to 0.6 dB, Power 0.3162 W, Insertion Loss 5 to 7.5 dB. Tags: Die, Digital, Programmable. More details for ADH939S can be seen below.