The QS-12D00 from Clear Microwave, Inc is a 90 Degree Hybrid Coupler with Frequency 6 to 18 GHz, Average Power 50 W, Peak Power 3 kW, Insertion Loss 0.8 dB, Isolation 18 dB. Tags: Module with Connectors, Multi-Octave Band Coupler. More details for QS-12D00 can be seen below.