The QP-ATDIG-0204-01 from QP Microwave is a RF Variable Attenuator with Frequency 2 to 4 GHz, Attenuation Range 64 dB, Attenuation Step 0.03125 dB, Attenuation Accuracy ± 1 dB, Power 0.1 W. Tags: Module with Connectors, Digital. More details for QP-ATDIG-0204-01 can be seen below.