The ANO 21-0204-09 from ANOISON Electronics LLC is a Fixed Attenuator with Frequency DC to 26.5 GHz, Attenuation 9 dB, Power 2 W, Peak Power 100 W, Attenuation Accuracy +/- 0.6 dB. Tags: Module with Connectors. More details for ANO 21-0204-09 can be seen below.