The BM10090 from Bracke Manufacturing is a RF Variable Attenuator with Frequency DC to 2.5 GHz, Attenuation Range 0 to 70 dB, Attenuation Accuracy ±0.3 dB, Power 1 W, Peak Power 50 dBm. Tags: Benchtop, Rotary. More details for BM10090 can be seen below.