The 19593 from Microwave Filter Company is a Waveguide Filter with Frequency 13.75 to 14.50 GHz, Input Power 1000 W, Insertion Loss 0.25 dB, Rejection 20 to 80 dB, Rejection Frequency 10.7 to 15 GHz. Tags: Low Pass. More details for 19593 can be seen below.