The 17540 from Microwave Filter Company is a Waveguide Diplexer with Frequency 10.95 to 12.75 GHz (Rx) / 13.75 to 14.5 GHz (TX), Frequency Band1 10.95 to 12.75 GHz (Rx), Frequency Band2 13.75 to 14.5 GHz (TX), Power 30 W. More details for 17540 can be seen below.