The FAE5K-40-XX from ESJ Technology is a Fixed Attenuator with Frequency DC to 40 GHz, Attenuation 1 to 10 dB, 20 dB, 30 dB, 40 dB, Power 5 W, Attenuation Accuracy -1 to 2 dB. Tags: Module with Connectors. More details for FAE5K-40-XX can be seen below.