The MDC130137R25B8 from Meuro Microwave is a RF Variable Attenuator with Frequency 13 to 13.7 GHz, Attenuation Range 25 dB, Attenuation Accuracy 3 dB, Power 0.32 W, Insertion Loss 6.5 dB. Tags: Module with Connectors, Drop In, Digital. More details for MDC130137R25B8 can be seen below.