The LDDC-0.5/6-10S from Leader-MW is a Dual Directional Coupler with Coupling 10 dB, Coupling Variation ±1.2 to 1.5 dB, Frequency 500 MHz to 6 GHz, Average Power 30 W, Insertion Loss 1.8 dB. Tags: Module with Connectors. More details for LDDC-0.5/6-10S can be seen below.