The MDC028057A60B8 from Meuro Microwave is a RF Variable Attenuator with Frequency 2.8 to 5.7 GHz, Attenuation Range 0 to 60 dB, Power 0.32 W, Insertion Loss 4 dB, Supply Voltage -5 to 5 V. Tags: Module with Connectors, Drop In, Digital. More details for MDC028057A60B8 can be seen below.