The QSDC-2000-12000-30-10-S from Qualwave is a Directional Coupler with Frequency 2000 to 12000 MHz, Coupling 10±1 dB, Directivity 12 dB, Average Power 30 W, Insertion Loss 1.1 dB. Tags: Module with Connectors. More details for QSDC-2000-12000-30-10-S can be seen below.