The QSDC-1000-6000-K3-30-NS from Qualwave is a Directional Coupler with Frequency 1000 to 6000 MHz, Coupling 30±1.5 dB, Directivity 16 dB, Average Power 300 W, Insertion Loss 0.6 dB. Tags: Module with Connectors. More details for QSDC-1000-6000-K3-30-NS can be seen below.