The QSDC-1000-3000-K5-50-NS from Qualwave is a Directional Coupler with Frequency 1000 to 2000 MHz, Coupling 50±1.2 dB, Directivity 18 dB, Average Power 500 W, Insertion Loss 0.35 dB. Tags: Module with Connectors. More details for QSDC-1000-3000-K5-50-NS can be seen below.