The SAT39A05XX12 from Sainty-Tech Communications Limited is a Fixed Attenuator with Frequency DC to 12.4 GHz, Attenuation 1 to 9 dB, 10 to 19 dB, 20 to 30 dB, 40 dB, 50 dB, 60 dB, Power 5 W, Peak Power 0.5 kW, Weight A:10g, B:20g, C:25g. Tags: Module with Connectors. More details for SAT39A05XX12 can be seen below.