The MDC020040R60B6 from Meuro Microwave is a RF Variable Attenuator with Frequency 2 to 4 GHz, Attenuation Range 63 dB, Attenuation Accuracy 2 dB, Power 0.5 W, Insertion Loss 3.5 dB. Tags: Module with Connectors, Drop In, Digital. More details for MDC020040R60B6 can be seen below.