The SiMF14R25/R7-8D3 from Sainty-Tech Communications Limited is a Band Pass Filter with Frequency 14 to 15.5 GHz, Center Frequency 14.75 GHz, Insertion Loss 2.7 dB, Rejection 30 dB @13.25GHz&16.4GHz, 40 dB @13GHz&16.5GHz, Upper Rejection 30 to 40 dB. Tags: Surface Mount, Cavity Filter. More details for SiMF14R25/R7-8D3 can be seen below.