The QSDC-600-2700-3K-50-7S from Qualwave is a Directional Coupler with Frequency 600 to 2700 MHz, Coupling 50±1.5 dB, Directivity 16 dB, Average Power 3000 W, Insertion Loss 0.45 dB. Tags: Module with Connectors. More details for QSDC-600-2700-3K-50-7S can be seen below.