The QDA-0-40000-90-10 from Qualwave is a RF Variable Attenuator with Frequency DC to 40 GHz, Attenuation Range 0 to 90 dB, Attenuation Accuracy ±0.6 to ±4.5 dB ( ±5% ), Power 1 W, Peak Power 0.05 kW. Tags: Module with Connectors, Digital. More details for QDA-0-40000-90-10 can be seen below.