The X3C21P1-03S from TTM Technologies is a 90 Degree Hybrid Coupler with Frequency 1.8 to 2.3 GHz, Average Power 90 to 110 W, Insertion Loss 0.12 to 0.25 dB, Isolation 18 to 25 dB, Coupling 3 dB. Tags: Surface Mount. More details for X3C21P1-03S can be seen below.