The X3C09F1-03S from TTM Technologies is a 90 Degree Hybrid Coupler with Frequency 800 MHz to 1 GHz, Average Power 25 W, Insertion Loss 0.15 to 0.16 dB, Isolation 23 to 26 dB, Coupling 3 dB. Tags: Surface Mount. More details for X3C09F1-03S can be seen below.