The QSDC-10-1000-K2 from Qualwave is a Directional Coupler with Frequency 10 to 1000 MHz, Coupling 40±1 dB, Directivity 20 dB, Average Power 200 W, Insertion Loss 0.45 dB. Tags: Module with Connectors. More details for QSDC-10-1000-K2 can be seen below.