The DBDA0802800570B from Qotana is a RF Variable Attenuator with Frequency 2.8 to 5.7 GHz, Attenuation Range 60 dB, Attenuation Accuracy 0.1 dB, Power 1 to 50 W, Insertion Loss 3.5 dB. Tags: Module with Connectors, Digital. More details for DBDA0802800570B can be seen below.