The HC2500U03-055 from Yantel Corporation is a 90 Degree Hybrid Coupler with Frequency 2.3 to 2.65 GHz, Average Power 2 W(Combiner), 4 W (Divider), Insertion Loss 0.35 to 0.4 dB, Isolation 25 to 30 dB, Coupling 3 dB. Tags: Surface Mount. More details for HC2500U03-055 can be seen below.