The DBDA0602000400A from Qotana is a RF Variable Attenuator with Frequency 2 to 4 GHz, Attenuation Range 63 dB, Attenuation Accuracy 1 dB, Power 0.2 to 1 W, Insertion Loss 4.5 dB. Tags: Module with Connectors, Digital. More details for DBDA0602000400A can be seen below.