The QN180500 from Fujian MIcable is a 90 Degree Hybrid Coupler with Frequency 18 to 50 GHz, Average Power 20 W, Peak Power 1000 W, Insertion Loss 2.3 to 2.8 dB, Isolation 13 to 14 dB. Tags: Module with Connectors. More details for QN180500 can be seen below.