The AT-BPF-5065-15 from AT Microwave is a Waveguide Filter with Frequency 50 to 65 GHz, Insertion Loss -2.5 to -1 dB, Operating Temperature -40 to 85 Degree C, Rejection -40 to -35 dB, Rejection Frequency DC to 70 GHz. Tags: Band Pass. More details for AT-BPF-5065-15 can be seen below.