The HC020040-9S_B from Panda Microwave is a 90 Degree Hybrid Coupler with Frequency 2 to 4 GHz, Average Power 50 W, Peak Power 0.5 kW, Insertion Loss 0.3 dB, Isolation 22 dB. Tags: Module with Connectors. More details for HC020040-9S_B can be seen below.