The MDC10-005400 from Microot Microwave is a Directional Coupler with Frequency 500 MHz to 40 GHz, Coupling 10 ± 0.9 dB, Coupling Variation ± 0.9 dB, Directivity 10 dB, Power 20 W. Tags: Module with Connectors. More details for MDC10-005400 can be seen below.