The AT-BPF-7080-12 from AT Microwave is a Waveguide Filter with Frequency 70 to 80 GHz, Insertion Loss -2.5 to -1 dB, Operating Temperature -40 to 80 Degree C, Rejection -40 to -30 dBc, Rejection Frequency DC to 110 GHz. Tags: Band Pass. More details for AT-BPF-7080-12 can be seen below.