The QSDC-600-3000-K2-20-NS from Qualwave is a Directional Coupler with Frequency 600 to 3000 MHz, Coupling 20±1.2 dB, Directivity 16 dB, Average Power 200 W, Insertion Loss 0.7 dB. Tags: Module with Connectors. More details for QSDC-600-3000-K2-20-NS can be seen below.