The SiMF14R4/8-10D2 from Sainty-Tech Communications Limited is a Band Pass Filter with Frequency 10.4 to 18.4 GHz, Center Frequency 14.4 GHz, Insertion Loss 1 dB, Rejection 20 dB @8.1GHz&21.4GHz, 35 dB @6.5GHz&23GHz, Upper Rejection 20 to 35 dB. Tags: Surface Mount, Cavity Filter. More details for SiMF14R4/8-10D2 can be seen below.