The QSDC-300-67000-12-20-V from Qualwave is a Directional Coupler with Frequency 300 to 67000 MHz, Coupling 20±2 dB, Directivity 7 dB, Average Power 12 W, Insertion Loss 6.1 dB. Tags: Module with Connectors. More details for QSDC-300-67000-12-20-V can be seen below.