The SiMF14R75/2R3-2 from Sainty-Tech Communications Limited is a Band Pass Filter with Frequency 13.6 to 15.9 GHz, Center Frequency 14.75 GHz, Insertion Loss 2 dB, Rejection 30 dB @12.6GHz&16.95GHz, 40 dB @12.3GHz&17.25GHz, Upper Rejection 30 to 40 dB. Tags: Surface Mount, Cavity Filter. More details for SiMF14R75/2R3-2 can be seen below.