The MDC40-020180 from Microot Microwave is a Directional Coupler with Frequency 2 to 18 GHz, Coupling 40 ± 1.5 dB, Coupling Variation ± 1.5 dB, Directivity 8 dB, Power 20 W. Tags: Module with Connectors. More details for MDC40-020180 can be seen below.