The XC0900A-10S from TTM Technologies is a Directional Coupler with Frequency 800 MHz to 1 GHz, Coupling 10 to 10.1 dB, Coupling Variation ±0.50 to 0.60 dB, Directivity 20 to 23 dB, Power 225 to 250 W. Tags: Surface Mount. More details for XC0900A-10S can be seen below.