The 650-10-1F4 from MECA is a Fixed Attenuator with Frequency DC to 4 GHz, Power 2, 5, 10, 20, 50, 100, 150 W, Peak Power 1000 W, Weight 6.29 oz, Attenuation Accuracy 0.25 to 1.5 dB. Tags: Module with Connectors. More details for 650-10-1F4 can be seen below.