The ZDC30S-7.5-16-30A from ZTS Technologies is a Directional Coupler with Frequency 7.5 to 16 GHz, Coupling 30 dB, Coupling Variation ±1.25 dB, Directivity 10 dB, Average Power 30 Watts. Tags: Module with Connectors. More details for ZDC30S-7.5-16-30A can be seen below.