The Model 9349 from Microwave Filter Company is a Waveguide Filter with Frequency 11.7 to 12.2 GHz, Input Power 1 W, Insertion Loss 0.25 dB, Rejection 55 to 60 dB, Rejection Frequency 10.55 to 10.68 GHz / 14 to 14.5 GHz. Tags: Band Pass. More details for Model 9349 can be seen below.