The OH-T-40180-10 from A-Info is a Directional Coupler with Frequency 4.0 to 18.0 GHz, Coupling 10 dB, Coupling Variation ±1.0 dB, Directivity 12 dB, Insertion Loss 1 dB. Tags: Module with Connectors. More details for OH-T-40180-10 can be seen below.