The SiMF16R75/2R5-7D2 from Sainty-Tech Communications Limited is a Band Pass Filter with Frequency 15.4 to 18.2 GHz, Center Frequency 16.8 GHz, Insertion Loss 1.8 dB, Rejection 30 dB @14GHz&19.3GHz, 40 dB @13.5GHz&19.5GHz, 60 dB @DC~12GHz, 40 dB @19.5~27.5GHz, Upper Rejection 30 to 40 dB. Tags: Surface Mount, Cavity Filter. More details for SiMF16R75/2R5-7D2 can be seen below.