The SiMF14R1/4R2-7D2 from Sainty-Tech Communications Limited is a Band Pass Filter with Frequency 12 to 16.5 GHz, Center Frequency 14.25 GHz, Insertion Loss 1.5 dB, Rejection 30 dB @10.2GHz&17.7GHz, 40 dB @9.5GHz&18GHz, Upper Rejection 30 to 40 dB. Tags: Surface Mount, Cavity Filter. More details for SiMF14R1/4R2-7D2 can be seen below.