The QSDC-450-6000-30 from Qualwave is a Directional Coupler with Frequency 450 to 6000 MHz, Coupling 10, 20, 30 dB, Directivity 12 dB, Average Power 30 W, Insertion Loss 1.2 dB. Tags: Module with Connectors. More details for QSDC-450-6000-30 can be seen below.