The QDDC-0.5-32-5K-40-N7 from Qualwave is a Dual Directional Coupler with Coupling 40 dB, Coupling Variation ±1 dB, Frequency 0.5 to 32 MHz, Average Power 5000 W, Insertion Loss 0.15 dB. Tags: Module with Connectors. More details for QDDC-0.5-32-5K-40-N7 can be seen below.