The QSDC-400-600-K8-50-NS from Qualwave is a Directional Coupler with Frequency 400 to 600 MHz, Coupling 50±0.8 dB, Directivity 20 dB, Average Power 800 W, Insertion Loss 0.3 dB. Tags: Module with Connectors. More details for QSDC-400-600-K8-50-NS can be seen below.