The QSDC-7000-12400-50 from Qualwave is a Directional Coupler with Frequency 7000 to 12400 MHz, Coupling 10±1 to 30±1 dB, Frequency Sensitivity ±1 dB, Directivity 12 dB, Average Power 50 W. Tags: Module with Connectors. More details for QSDC-7000-12400-50 can be seen below.