The QSDC-0.009-50-K2-50-NS from Qualwave is a Directional Coupler with Frequency 9 kHz to 50 MHz, Coupling 50±1 dB, Amplitude Flatness ±0.5 dB, Directivity 16 dB, Average Power 200 W. Tags: Module with Connectors. More details for QSDC-0.009-50-K2-50-NS can be seen below.