The TBG-0510-3S-90 from Talent Microwave Inc is a 90 Degree Hybrid Coupler with Frequency 0.5 to 1 GHz, Average Power 50 W, Insertion Loss 0.2 to 0.3 dB, Isolation 20 to 22 dB, Coupling 3 dB. Tags: Module with Connectors. More details for TBG-0510-3S-90 can be seen below.