The ANO 21-1004-03 from ANOISON Electronics LLC is a Fixed Attenuator with Frequency DC to 27 GHz, Attenuation 3 dB, Power 10 W, Peak Power 200 W, Attenuation Accuracy -0.6 to 0.8 dB. Tags: Module with Connectors. More details for ANO 21-1004-03 can be seen below.