The AT-LPF-110-08 from AT Microwave is a Waveguide Filter with Frequency 75 to 110 GHz, Insertion Loss -2.5 to -1 dB, Operating Temperature -40 to 85 Degree C, Rejection -35 to -20 dB, Rejection Frequency 120 GHz. Tags: Low Pass. More details for AT-LPF-110-08 can be seen below.