The FA-S1S25-4G2WXXA/H11 from Rosnol is a Fixed Attenuator with Frequency DC to 4 GHz, Attenuation 0 to 10, 15, 16, 20, 30 dB, Power 2 W, Peak Power 250 W, Attenuation Accuracy ± 0.3, ± 1.5 dB. Tags: Module with Connectors. More details for FA-S1S25-4G2WXXA/H11 can be seen below.