The WVBP-783-WR12+ from Mini Circuits is a Waveguide Filter with Frequency 76 to 81 GHz, Insertion Loss 0.6 to 1.5 dB, Operating Temperature -40 to 85 Degree C, Rejection 20 to 91 dB. Tags: Band Pass. More details for WVBP-783-WR12+ can be seen below.