The MDC020040R60B7 from Meuro Microwave is a RF Variable Attenuator with Frequency 2 to 4 GHz, Attenuation Range 0 to 63 dB, Attenuation Accuracy 2 dB, Insertion Loss 3.5 dB, Supply Voltage -5 to 5 V. Tags: Module with Connectors, Drop In, Digital. More details for MDC020040R60B7 can be seen below.