The QSDC-12000-13000-10-6-S from Qualwave is a Directional Coupler with Frequency 12000 to 13000 MHz, Coupling 6±1 dB, Directivity 12 dB, Average Power 10 W, Insertion Loss 0.8 dB. Tags: Module with Connectors. More details for QSDC-12000-13000-10-6-S can be seen below.