The LDDC-8/26-20S from Leader-MW is a Dual Directional Coupler with Coupling 20 dB, Coupling Variation ±1.25 dB, Frequency 8 to 26 GHz, Average Power 50 W, Insertion Loss 1.6 dB. Tags: Module with Connectors. More details for LDDC-8/26-20S can be seen below.