The DBDA0602000400B from Qotana is a RF Variable Attenuator with Frequency 2 to 4 GHz, Attenuation Range 63 dB, Attenuation Accuracy 1 dB, Power 1 to 50 W, Insertion Loss 1.8 dB. Tags: Module with Connectors, Digital. More details for DBDA0602000400B can be seen below.