The ANO 29-2001-04 from ANOISON Electronics LLC is a Fixed Attenuator with Frequency DC to 40 GHz, Attenuation 4 dB, Power 20 W, Peak Power 200 W, Attenuation Accuracy -0.6 to 1 dB. Tags: Module with Connectors. More details for ANO 29-2001-04 can be seen below.