The AT-BPF-5562-15 from AT Microwave is a Waveguide Filter with Frequency 55 to 62 GHz, Insertion Loss -2.5 to -1 dB, Operating Temperature -40 to 85 Degree C, Rejection -45 to -40 dBc, Rejection Frequency DC to 75 GHz. Tags: Band Pass. More details for AT-BPF-5562-15 can be seen below.