The QDA-2000-18000-15-1 from Qualwave is a RF Variable Attenuator with Frequency 2 to 18 GHz, Attenuation Range 0 to 15 dB, Attenuation Accuracy ±0.6 dB, Power 0.1 W, Insertion Loss 7 dB. Tags: Module with Connectors, Digital. More details for QDA-2000-18000-15-1 can be seen below.