The QSDC-100-700-10-10-S from Qualwave is a Directional Coupler with Frequency 100 to 700 MHz, Coupling 10±2 dB, Directivity 12 dB, Average Power 10 W, Insertion Loss 0.9 dB. Tags: Module with Connectors. More details for QSDC-100-700-10-10-S can be seen below.