The XC0900A-20S from TTM Technologies is a Directional Coupler with Frequency 700 MHz to 1 GHz, Coupling 20.1 to 20.7 dB, Coupling Variation 0.6 to 1 db, Directivity 18 to 23 dB, Power 150 to 200 W. Tags: Surface Mount. More details for XC0900A-20S can be seen below.