The CP20218A-10 from Amtery is a Bi-Directional Coupler with Frequency 2 to 18 GHz, Coupling 9 to 11 dB, Average Power 20 W, Insertion Loss 1.1 to 1.4 dB, Directivity 20 to 23 dB. Tags: Module with Connectors. More details for CP20218A-10 can be seen below.