The CP20018A-10 from Amtery is a Bi-Directional Coupler with Frequency 500 MHz to 18 GHz, Coupling 9 to 11 dB, Average Power 20 W, Insertion Loss 2 to 2.3 dB, Directivity 18 to 22 dB. Tags: Module with Connectors. More details for CP20018A-10 can be seen below.