The PDBF-12/16 from Sainty-Tech Communications Limited is a Band Pass Filter with Frequency 12 to 15.8 GHz, Center Frequency 13.9 GHz, Insertion Loss [email protected], Rejection =40 dB @10GHz, =30 dB @18GHz, Upper Rejection 30 dB. Tags: Surface Mount. More details for PDBF-12/16 can be seen below.