The SOB-T-0347-10.5-200SN from A-Info is a Dual Directional Coupler with Coupling 10.5 dB, Coupling Variation ±1 dB, Frequency 0.03 to 0.47 GHz, Average Power 200 W, Insertion Loss 1.6 dB. Tags: Module with Connectors. More details for SOB-T-0347-10.5-200SN can be seen below.