The QSDC-2000-6000-K6 from Qualwave is a Directional Coupler with Frequency 2000 to 6000 MHz, Coupling 30±0.7 to 40±0.7 dB, Directivity 15 dB, Average Power 600 W, Insertion Loss 0.4 dB. Tags: Module with Connectors. More details for QSDC-2000-6000-K6 can be seen below.