The LDDC-0.5/2-40N from Leader-MW is a Dual Directional Coupler with Coupling 40 dB, Coupling Variation ±1 dB, Frequency 0.5 to 2 GHz, Average Power 600 W, Insertion Loss 0.3 dB. Tags: Module with Connectors. More details for LDDC-0.5/2-40N can be seen below.