The QSDC-5-1000-1-10-S from Qualwave is a Directional Coupler with Frequency 5 to 1000 MHz, Coupling 10±0.8 dB, Directivity 16 dB, Average Power 1 W, Insertion Loss 1.4 dB. Tags: Module with Connectors. More details for QSDC-5-1000-1-10-S can be seen below.