The SiMF16R85/3R2-3 from Sainty-Tech Communications Limited is a Band Pass Filter with Frequency 15.05 to 18.5 GHz, Center Frequency 16.77 GHz, Insertion Loss 2.3 dB, Rejection 30 dB @13.5GHz&19.5GHz, 40 dB @12.8GHz&19.7GHz, Upper Rejection 30 to 40 dB. Tags: Surface Mount, Cavity Filter. More details for SiMF16R85/3R2-3 can be seen below.