The ANO 21-0209-37 from ANOISON Electronics LLC is a Fixed Attenuator with Frequency DC to 27 GHz, Attenuation 37 dB, Power 2 W, Peak Power 200 W, Attenuation Accuracy +/- 1.0 dB. Tags: Module with Connectors. More details for ANO 21-0209-37 can be seen below.