The C0409J5003AHF from TTM Technologies is a 90 Degree Hybrid Coupler with Frequency 400 to 900 MHz, Average Power 2.4 to 4 W, Insertion Loss 0.6 to 0.8 dB, Isolation 18 to 24 dB, Coupling 3 dB. Tags: Surface Mount. More details for C0409J5003AHF can be seen below.