The MFA1021 from Miller MMIC is a Space Qualified Fixed Attenuator with Frequency DC to 40 GHz, Attenuation 3, 4 dB, Power 0.501 W, Attenuation Accuracy ±0.3 dB, Operating Temperature -55 to 85 Degree C. Tags: Surface Mount. More details for MFA1021 can be seen below.