Keyee Microwave manufactures a wide selection of waveguide circulator which is 3 or 4 port ferromagnetic devices used to regulate the RF signal flow within a system with minimal loss. Available in waveguide sizes WR650through WR10 and WRD580 to WRD180 for double ridged. Both low, medium and high power type are available and can be done structure as Standard and differential phase shift circulator.

Either standard waveguide or double ridged can be manufactured and custom.