The ANO 21-1004-05 from ANOISON Electronics LLC is a Fixed Attenuator with Frequency DC to 27 GHz, Attenuation 5 dB, Power 10 W, Peak Power 200 W, Attenuation Accuracy +/- 0.7 dB. Tags: Module with Connectors. More details for ANO 21-1004-05 can be seen below.