The OH-T-368372-20 from A-Info is a Directional Coupler with Frequency 3.68 to 3.72 GHz, Coupling 20 dB, Coupling Variation ±0.5 dB, Directivity 18 dB, Insertion Loss 0.5 dB. Tags: Module with Connectors. More details for OH-T-368372-20 can be seen below.