The TGD-B2021 from Tiger Microwave is a 90 Degree Hybrid Coupler with Frequency 800 MHz to 2.5 GHz, Average Power 120 W, Insertion Loss 0.30 dB, Isolation 22 dB, Coupling 3 dB. Tags: Module with Connectors. More details for TGD-B2021 can be seen below.