The FA-B1B25-1G2WXXA/HXX from Rosnol is a Fixed Attenuator with Frequency DC to 1 GHz, Attenuation 0 to 20 dB, Power 2 W, Peak Power 250 W, Attenuation Accuracy ± 0.5 dB. Tags: Module with Connectors. More details for FA-B1B25-1G2WXXA/HXX can be seen below.