The SAT27B02XX04 from Sainty-Tech Communications Limited is a Fixed Attenuator with Frequency DC to 4 GHz, Attenuation 1 to 9 dB, 10 dB, 20 dB, 30 dB, 40 dB, Power 2 W, Peak Power 0.5 kW, Weight A:65g, B:65g. Tags: Module with Connectors. More details for SAT27B02XX04 can be seen below.