The X3C19P2-03S from TTM Technologies is a 90 Degree Hybrid Coupler with Frequency 1.7 to 2 GHz, Average Power 145 to 176 W, Insertion Loss 0.12 to 0.22 dB, Isolation 20 to 25 dB, Coupling 3 dB. Tags: Surface Mount. More details for X3C19P2-03S can be seen below.