The TBG-100400-3K-90 from Talent Microwave Inc is a 90 Degree Hybrid Coupler with Frequency 10 to 40 GHz, Average Power 50 W, Insertion Loss 1.8 to 2.2 dB, Isolation 12 to 14 dB, Coupling 3 dB. Tags: Module with Connectors. More details for TBG-100400-3K-90 can be seen below.