The QDDC-0.3-200-10K-60-LCN from Qualwave is a Dual Directional Coupler with Coupling 60 dB, Coupling Variation ±1 dB, Frequency 0.3 to 200 MHz, Average Power 10000 W, Insertion Loss 0.2 dB. Tags: Module with Connectors. More details for QDDC-0.3-200-10K-60-LCN can be seen below.