The 690-40-1 from MECA is a Fixed Attenuator with Frequency DC to 3 GHz, Power 2, 5, 10, 20, 50, 100, 150 W, Peak Power 1000 W, Weight 2.7 oz, Attenuation Accuracy 0.3 to 0.5 dB. Tags: Module with Connectors. More details for 690-40-1 can be seen below.