The BM10073 from Bracke Manufacturing is a RF Variable Attenuator with Frequency DC to 18 GHz, Attenuation Range 0 to 9 dB, Attenuation Accuracy ±1 dB, Power 2 W, Insertion Loss 1.2 dB. Tags: Benchtop, Rotary. More details for BM10073 can be seen below.