The LDDC-8/26-30S from Leader-MW is a Dual Directional Coupler with Coupling 30 dB, Coupling Variation ±1.25 dB, Frequency 8 to 26 GHz, Average Power 50 W, Insertion Loss 16 dB. Tags: Module with Connectors. More details for LDDC-8/26-30S can be seen below.