The QSDC-8000-12400-K1-30-N from Qualwave is a Directional Coupler with Frequency 8000 to 12400 MHz, Coupling 30±1 dB, Directivity 10 dB, Average Power 100 W, Insertion Loss 0.4 dB. Tags: Module with Connectors. More details for QSDC-8000-12400-K1-30-N can be seen below.