The MDC13-010400 from Microot Microwave is a Directional Coupler with Frequency 1 to 40 GHz, Coupling 13 ± 0.8 dB, Coupling Variation ± 0.8 dB, Directivity 11 dB, Power 20 W. Tags: Module with Connectors. More details for MDC13-010400 can be seen below.