The DBDA0804001800B from Qotana is a RF Variable Attenuator with Frequency 4 to 18 GHz, Attenuation Range 64 dB, Attenuation Accuracy 1 dB, Power 1 W, Insertion Loss 7 dB. Tags: Module with Connectors, Digital. More details for DBDA0804001800B can be seen below.