The QSDC-5900-7500-K15-40-NS from Qualwave is a Directional Coupler with Frequency 5900 to 7500 MHz, Coupling 40±0.8 dB, Directivity 12 dB, Average Power 150 W, Insertion Loss 0.6 dB. Tags: Module with Connectors. More details for QSDC-5900-7500-K15-40-NS can be seen below.