The ANO 51-0503-35 from ANOISON Electronics LLC is a Fixed Attenuator with Frequency DC to 18 GHz, Attenuation 35 dB, Power 5 W, Peak Power 50 W, Attenuation Accuracy -0.9 to 1 dB. Tags: Module with Connectors. More details for ANO 51-0503-35 can be seen below.