The QSDC-1100-1700-1K5-50-7S from Qualwave is a Directional Coupler with Frequency 1100 to 1700 MHz, Coupling 50±0.5 dB, Directivity 18 dB, Average Power 1500 W, Insertion Loss 0.3 dB. Tags: Module with Connectors. More details for QSDC-1100-1700-1K5-50-7S can be seen below.