The ANO 21-1004-30 from ANOISON Electronics LLC is a Fixed Attenuator with Frequency DC to 27 GHz, Attenuation 30 dB, Power 10 W, Peak Power 200 W, Attenuation Accuracy -0.9 to 1 dB. Tags: Module with Connectors. More details for ANO 21-1004-30 can be seen below.