The QSDC-2000-8000-50 from Qualwave is a Directional Coupler with Frequency 2000 to 8000 MHz, Coupling 6±1 to 30±1 dB, Directivity 16 to 20 dB, Average Power 50 W, Insertion Loss 0.2 to 1.2 dB. Tags: Module with Connectors. More details for QSDC-2000-8000-50 can be seen below.