The X4C100F1-03S from TTM Technologies is a 90 Degree Hybrid Coupler with Frequency 8 to 12 GHz, Average Power 20 W, Insertion Loss 0.50 dB, Isolation 20 dB, Amplitude Balance ±0.50 dB. Tags: Surface Mount. More details for X4C100F1-03S can be seen below.