The QSDC-500-3000-K5-60-NS from Qualwave is a Directional Coupler with Frequency 500 to 3000 MHz, Coupling 60±2 dB, Directivity 16 dB, Average Power 500 W, Insertion Loss 0.4 dB. Tags: Module with Connectors. More details for QSDC-500-3000-K5-60-NS can be seen below.