Microwave Circuits has a complete and varied line of Diplexers, Duplexers and Multi plexers ranging from RX/TX to single antenna, narrow band to octave bandwidths and DC-40 GHz. These filters are silver plated and solder sealed for maximum isolation between channels and lowest insertion loss. Our Notch or Band Reject filters eliminate unwanted signals within a passband. We have the widest band Notch filters available from DC-40 GHz. Contact us at filters@diplexers.com Also, please visit us at www.diplexers.com