The MM-BHC-004060-90 from Mountain Microwave Technology is a 90 Degree Hybrid Coupler with Frequency 400 MHz to 6 GHz, Average Power 50 W, Insertion Loss 0.3 dB, Isolation 20 dB, Coupling 3 dB. Tags: Module with Connectors. More details for MM-BHC-004060-90 can be seen below.