The QSDC-6100-7000-50-10-S from Qualwave is a Directional Coupler with Frequency 6100 to 7000 MHz, Coupling 10±0.15 dB, Directivity 20 dB, Average Power 50 W, Insertion Loss 0.5 dB. Tags: Module with Connectors. More details for QSDC-6100-7000-50-10-S can be seen below.