The OH-T-265500-20 from A-Info is a Directional Coupler with Frequency 26.5 to 50.0 GHz, Coupling 20 dB, Coupling Variation ±0.80 dB, Directivity 10 dB, Insertion Loss 1.7 dB. Tags: Module with Connectors. More details for OH-T-265500-20 can be seen below.