The BM10047 from Bracke Manufacturing is a RF Variable Attenuator with Frequency DC to 500 MHz, Attenuation Range 0 to 82.5 dB, Attenuation Step 0.5, 1, 2, 3, 6, 10, 20 dB, Attenuation Accuracy ±6.25 dB, Power 10 W. Tags: Module with Connectors, Toggle. More details for BM10047 can be seen below.