The XC0900A-05S from TTM Technologies is a Directional Coupler with Frequency 800 MHz to 1 GHz, Coupling 5 dB, Coupling Variation ±0.25 to 0.35 dB, Directivity 21 to 23 dB, Power 200 to 250 W. Tags: Surface Mount. More details for XC0900A-05S can be seen below.