The AT-LPF-60-15 from AT Microwave is a Waveguide Filter with Frequency 45 to 60 GHz, Insertion Loss -1.5 to -0.5 dB, Operating Temperature -40 to 85 Degree C, Rejection -40 to -30 dB, Rejection Frequency 64 to 75 GHz. Tags: Low Pass. More details for AT-LPF-60-15 can be seen below.