The OH-T-10200-20 from A-Info is a Directional Coupler with Frequency 1.0 to 20.0 GHz, Coupling 20 dB, Coupling Variation ±0.50 dB, Directivity 16 dB, Insertion Loss 1.2 dB. Tags: Module with Connectors. More details for OH-T-10200-20 can be seen below.