The ZDC10S-0.5-8-30A from ZTS Technologies is a Directional Coupler with Frequency 500 MHz to 8 GHz, Coupling 10 dB, Coupling Variation ±1 dB, Directivity 18 dB, Average Power 30 Watts. Tags: Module with Connectors. More details for ZDC10S-0.5-8-30A can be seen below.