The SOB-T-4710-10-200SN from A-Info is a Dual Directional Coupler with Coupling 10 dB, Coupling Variation ±1.5 dB, Frequency 0.47 to 1 GHz, Average Power 200 W, Insertion Loss 1.6 dB. Tags: Module with Connectors. More details for SOB-T-4710-10-200SN can be seen below.