The TBG-0530-3S-90 from Talent Microwave Inc is a 90 Degree Hybrid Coupler with Frequency 0.5 to 3 GHz, Average Power 50 W, Insertion Loss 0.6 to 1 dB, Isolation 18 to 20 dB, Coupling 3 dB. Tags: Module with Connectors. More details for TBG-0530-3S-90 can be seen below.