The MDC044051R90B7 from Meuro Microwave is a RF Variable Attenuator with Frequency 4.4 to 5.1 GHz, Attenuation Range 0 to 95 dB, Power 0.1 W, Insertion Loss 7.5 dB, Supply Voltage -5 to 5 V. Tags: Module with Connectors, Drop In, Digital. More details for MDC044051R90B7 can be seen below.