The QSDC-0.009-250-K6 from Qualwave is a Directional Coupler with Frequency 0.009 to 250 MHz, Coupling 50±2 dB, Directivity 16 dB, Average Power 600 W, Insertion Loss 0.3 to 0.4 dB. Tags: Module with Connectors. More details for QSDC-0.009-250-K6 can be seen below.