The AT-BPF-75110-10 from AT Microwave is a Waveguide Filter with Frequency 75 to 110 GHz, Insertion Loss -3 to -2 dB, Operating Temperature -40 to 85 Degree C, Rejection -35 to -25 dB, Rejection Frequency 70 to 120 GHz. Tags: Band Pass. More details for AT-BPF-75110-10 can be seen below.