The F3856 from WENTEQ Microwave Corp is a 4-Port Waveguide Circulator that operates from 5.45 to 5.85 GHz. It has an insertion loss of less than 0.5 dB and provides reverse isolation of over 20 dB. The circulator can handle CW average power of up to 8000 W, peak pulse power of up to 1000 kW, and has a VSWR of less than 1.2:1. It is available in a module that measures 500 x 164 x 64 mm with a WR187 waveguide interface.