The SAT27B400XX04 from Sainty-Tech Communications Limited is a Fixed Attenuator with Frequency DC to 4 GHz, Attenuation 10 dB, 20 dB, 30 dB, 40 dB, 50 dB, Power 400 W, Peak Power 10 kW, Weight A:3Kg B:7.3Kg. Tags: Module with Connectors. More details for SAT27B400XX04 can be seen below.