The QSDC-6000-18200-30 from Qualwave is a Directional Coupler with Frequency 6000 to 18200 MHz, Coupling 6±1 to 30±1 dB, Directivity 12 dB, Average Power 30 W, Insertion Loss 1 to 1.2 dB. Tags: Module with Connectors. More details for QSDC-6000-18200-30 can be seen below.