The TBG-265400-3K-90 from Talent Microwave Inc is a 90 Degree Hybrid Coupler with Frequency 26.5 to 40 GHz, Average Power 20 W, Insertion Loss 1.6 to 2 dB, Isolation 12 to 15 dB, Coupling 3 dB. Tags: Module with Connectors. More details for TBG-265400-3K-90 can be seen below.