The MDC10-004200 from Microot Microwave is a Directional Coupler with Frequency 400 MHz to 20 GHz, Coupling 10 ± 0.6 dB, Coupling Variation ± 0.6 dB, Directivity 14 dB, Power 20 W. Tags: Module with Connectors. More details for MDC10-004200 can be seen below.