The MDC20-080180 from Microot Microwave is a Directional Coupler with Frequency 8 to 18 GHz, Coupling 20 ± 1.0 dB, Coupling Variation ± 1.0 dB, Directivity 7 dB, Power 20 W. Tags: Module with Connectors. More details for MDC20-080180 can be seen below.