The QSDC-10-6000-R3-16-N from Qualwave is a Directional Coupler with Frequency 10 to 6000 MHz, Coupling 16±1.2 dB, Directivity 15 dB, Average Power 0.3 W, Insertion Loss 2.5 dB. Tags: Module with Connectors. More details for QSDC-10-6000-R3-16-N can be seen below.