The SiMF16R6/2R8-7D3 from Sainty-Tech Communications Limited is a Band Pass Filter with Frequency 15.2 to 18 GHz, Center Frequency 16.6 GHz, Insertion Loss 2.5 dB, Rejection 30 dB @14.3GHz&19.3GHz, 40 dB @13.8GHz&20GHz, 60 dB @DC~13.1GHz, 55 dB @20.4~23.0GHz, Upper Rejection 30 to 55 dB. Tags: Surface Mount, Cavity Filter. More details for SiMF16R6/2R8-7D3 can be seen below.