The C0810J5003AHF from TTM Technologies is a 90 Degree Hybrid Coupler with Frequency 700 MHz to 1 GHz, Average Power 3 to 4 W, Insertion Loss 0.5 to 0.6 dB, Isolation 18 to 23 dB, Coupling 3 dB. Tags: Surface Mount. More details for C0810J5003AHF can be seen below.