The QDDC-0.009-260-1K from Qualwave is a Dual Directional Coupler with Coupling 40 dB, Coupling Variation ±1.5 dB, Frequency 9 kHz to 260 MHz, Average Power 1000 W, Insertion Loss 0.4 dB. Tags: Module with Connectors. More details for QDDC-0.009-260-1K can be seen below.