The QSDC-80-1000-K1-45-S from Qualwave is a Directional Coupler with Frequency 80 to 1000 MHz, Coupling 45±1 dB, Directivity 8 dB, Average Power 100 W, Insertion Loss 0.5 dB. Tags: Module with Connectors. More details for QSDC-80-1000-K1-45-S can be seen below.