The QDDC-0.009-260-2K-50-7S from Qualwave is a Dual Directional Coupler with Coupling 50 dB, Frequency 9 kHz to 260 MHz, Average Power 2000 W, Insertion Loss 0.2 dB, Directivity 15 to 20 dB. Tags: Module with Connectors. More details for QDDC-0.009-260-2K-50-7S can be seen below.