The QS-1D50 from Clear Microwave, Inc is a 90 Degree Hybrid Coupler with Frequency 800 MHz to 2.2 GHz, Average Power 50 W, Peak Power 3 kW, Insertion Loss 0.4 dB, Isolation 23 dB. Tags: Module with Connectors, Multi-Octave Band Coupler. More details for QS-1D50 can be seen below.