The BM10075 from Bracke Manufacturing is a RF Variable Attenuator with Frequency DC to 18 GHz, Attenuation Range 0 to 80 dB, Attenuation Accuracy ±2.5 dB, Power 2 W, Insertion Loss 1.5 dB. Tags: Benchtop, Rotary. More details for BM10075 can be seen below.