The SiMS14R1/1-4D2 from Sainty-Tech Communications Limited is a Band Pass Filter with Frequency 13.6 to 14.6 GHz, Center Frequency 14.1 GHz, Insertion Loss 2 dB, Rejection 30 dB @12.65GHz&15.5GHz, 40 dB @12.1GHz&16.5GHz, 50 dB @DC~4.3GHz, Upper Rejection 30 to 40 dB. Tags: Surface Mount, Cavity Filter. More details for SiMS14R1/1-4D2 can be seen below.