Cernexwave’s SMT Microstrip Circulators and Isolators are an ideal solution for broadband or narrowband signal control in a very small package. They are tailored to the exact frequency you need while maintaining low insertion loss and high isolation. We can also customize the size, shape and port locations to fit perfectly in your system. They can operate from as low as 2GHz to as high as 30GHz and handle power levels of 20W or higher.  www.cernexwave.com