The SiMS14R7/R4-6S3 from Sainty-Tech Communications Limited is a Band Pass Filter with Frequency 14.5 to 14.9 GHz, Center Frequency 14.7 GHz, Insertion Loss 3.5 dB, Rejection 30 dB @14GHz&15.4GHz, 40 dB @13.9GHz&15.6GHz, 60 dB @DC~8GHz, 50 dB @16~20GHz, Upper Rejection 30 to 50 dB. Tags: Surface Mount, Cavity Filter. More details for SiMS14R7/R4-6S3 can be seen below.