The TBG-0204-3S-90 from Talent Microwave Inc is a 90 Degree Hybrid Coupler with Frequency 0.2 to 0.4 GHz, Average Power 50 W, Insertion Loss 0.2 to 0.3 dB, Isolation 22 to 25 dB, Coupling 3 dB. Tags: Module with Connectors. More details for TBG-0204-3S-90 can be seen below.