The X3C14F1-03S from TTM Technologies is a 90 Degree Hybrid Coupler with Frequency 1.2 to 1.7 GHz, Average Power 25 W, Insertion Loss 0.2 to 0.25 dB, Isolation 23 to 25 dB, Coupling 3 dB. Tags: Surface Mount. More details for X3C14F1-03S can be seen below.