The QDA-10-18000-63-1 from Qualwave is a RF Variable Attenuator with Frequency 0.01 to 18 GHz, Attenuation Range 0 to 63 dB, Attenuation Accuracy ±0.4 to ±1.5 dB, Power 0.31 W, Insertion Loss 7.5 dB. Tags: Module with Connectors, Digital. More details for QDA-10-18000-63-1 can be seen below.