The TBG-40124-3S-90 from Talent Microwave Inc is a 90 Degree Hybrid Coupler with Frequency 4 to 12.4 GHz, Average Power 50 W, Insertion Loss 0.8 to 1 dB, Isolation 16 to 18 dB, Coupling 3 dB. Tags: Module with Connectors. More details for TBG-40124-3S-90 can be seen below.