The SiMS16R6/2-8D3 from Sainty-Tech Communications Limited is a Band Pass Filter with Frequency 15.6 to 17.6 GHz, Center Frequency 16.6 GHz, Insertion Loss 2 dB, Rejection 30 dB @14.7GHz&18.6GHz, 40 dB @14.3GHz&18.8GHz, 60 dB @DC~12GHz, Upper Rejection 30 to 50 dB. Tags: Surface Mount, Cavity Filter. More details for SiMS16R6/2-8D3 can be seen below.