The QSDC-1000-6000-K1 from Qualwave is a Directional Coupler with Frequency 1000 to 6000 MHz, Coupling 10±0.8 to 15±1.5 dB, Directivity 10 to 15 dB, Average Power 100 W, Insertion Loss 0.8 dB. Tags: Module with Connectors. More details for QSDC-1000-6000-K1 can be seen below.