The AT-BPF-140160-06 from AT Microwave is a Waveguide Filter with Frequency 140 to 160 GHz, Insertion Loss -2.5 to -1 dB, Operating Temperature -40 to 85 Degree C, Rejection -30 dB, Rejection Frequency 110 to 220 GHz. Tags: Band Pass. More details for AT-BPF-140160-06 can be seen below.