The DBDA0604000800D from Qotana is a RF Variable Attenuator with Frequency 4 to 8 GHz, Attenuation Range 63 dB, Attenuation Accuracy -0.5 to 1.5 dB, Power 1 to 20 W, Insertion Loss 2 dB. Tags: Module with Connectors, Digital. More details for DBDA0604000800D can be seen below.