The ZDC10S-6-18-50A from ZTS Technologies is a Directional Coupler with Frequency 6 to 18 GHz, Coupling 10 dB, Coupling Variation ±1 dB, Directivity 10 dB, Average Power 50 Watts. Tags: Module with Connectors. More details for ZDC10S-6-18-50A can be seen below.