The ANO 51-5002-20 from ANOISON Electronics LLC is a Fixed Attenuator with Frequency DC to 18 GHz, Attenuation 20 dB, Power 50 W, Peak Power 500 W, Attenuation Accuracy +/- 1.5 dB. Tags: Module with Connectors. More details for ANO 51-5002-20 can be seen below.