The MM-BHC-005010-90 from Mountain Microwave Technology is a 90 Degree Hybrid Coupler with Frequency 500 MHz to 1 GHz, Average Power 50 W, Insertion Loss 0.2 dB, Isolation 22 dB, Coupling 3 dB. Tags: Module with Connectors. More details for MM-BHC-005010-90 can be seen below.