The TBG-20400-3K-90 from Talent Microwave Inc is a 90 Degree Hybrid Coupler with Frequency 2 to 40 GHz, Average Power 20 W, Insertion Loss 2.2 to 2.5 dB, Isolation 10 to 12 dB, Coupling 3 dB. Tags: Module with Connectors. More details for TBG-20400-3K-90 can be seen below.