The C1720J5003AHF from TTM Technologies is a 90 Degree Hybrid Coupler with Frequency 1.685 to 2 GHz, Average Power 2.5 to 4 W, Insertion Loss 0.3 to 0.4 dB, Isolation 24 to 36 dB, Coupling 3 dB. Tags: Surface Mount. More details for C1720J5003AHF can be seen below.