The PSC18H07S from Nuvotronics, Inc. is a 90 Degree Hybrid Coupler with Frequency 6 to 18 GHz, Average Power 20 W (CW), Insertion Loss 0.3 to 0.5 dB, Isolation 20 to 30 dB, Coupling 3 dB. Tags: Surface Mount. More details for PSC18H07S can be seen below.