The OH-T-180265-20 from A-Info is a Directional Coupler with Frequency 18.0 to 26.5 GHz, Coupling 20 dB, Coupling Variation ±0.50 dB, Directivity 14 dB, Insertion Loss 0.8 dB. Tags: Module with Connectors. More details for OH-T-180265-20 can be seen below.