The QSDC-2000-8000-K5-30-NS from Qualwave is a Directional Coupler with Frequency 2000 to 8000 MHz, Coupling 30±1 dB, Directivity 14 dB, Average Power 500 W, Insertion Loss 0.6 dB. Tags: Module with Connectors. More details for QSDC-2000-8000-K5-30-NS can be seen below.