The MDC000130R30B4 from Meuro Microwave is a RF Variable Attenuator with Frequency DC to 13 GHz, Attenuation Range 0 to 31.5 dB, Attenuation Accuracy 1.5 dB, Power 0.5 W, Insertion Loss 3.2 dB. Tags: Module with Connectors, Drop In, Digital. More details for MDC000130R30B4 can be seen below.