The MM-DDC-010265-30 from Mountain Microwave Technology is a Dual Directional Coupler with Coupling 30 dB, Frequency 1 to 26.5 GHz, Average Power 30 W, Insertion Loss 3.8 dB, Directivity 12 dB. Tags: Module with Connectors. More details for MM-DDC-010265-30 can be seen below.