The QSDC-26000-30000-30 from Qualwave is a Directional Coupler with Frequency 26000 to 30000 MHz, Coupling 10±1 to 30±1 dB, Frequency Sensitivity ±0.9 dB, Directivity 12 dB, Average Power 30 W. Tags: Module with Connectors. More details for QSDC-26000-30000-30 can be seen below.