The QP-ATDIG-0040-04 from QP Microwave is a RF Variable Attenuator with Frequency 0.5 to 40 GHz, Attenuation Range 63 dB, Attenuation Accuracy ±0.5 to 3.5 dB, Power 0.31 W, P1dB 20 dBm. Tags: Module with Connectors, Digital. More details for QP-ATDIG-0040-04 can be seen below.