The CP10408A-10 from Amtery is a Directional Coupler with Frequency 4 to 8 GHz, Coupling 8.75 to 11.25 dB, Directivity 27 to 29 dB, Average Power 20 W, Insertion Loss 0.8 to 1.1 dB. Tags: Module with Connectors. More details for CP10408A-10 can be seen below.