The CP20008A-20 from Amtery is a Bi-Directional Coupler with Frequency 500 MHz to 8 GHz, Coupling 19 to 21 dB, Average Power 20 W, Insertion Loss 0.6 to 0.8 dB, Directivity 22 to 28 dB. Tags: Module with Connectors. More details for CP20008A-20 can be seen below.