The 630-40-1F18 from MECA is a Fixed Attenuator with Frequency DC to 18 GHz, Power 2, 5, 10, 20, 50, 100, 150 W, Peak Power 500 W, Weight 4.1 oz, Attenuation Accuracy 0.3 to 18 dB. Tags: Module with Connectors. More details for 630-40-1F18 can be seen below.