The PDBF-12/13-5D3 from Sainty-Tech Communications Limited is a Band Pass Filter with Frequency 12 to 13 GHz, Center Frequency 12.5 GHz, Insertion Loss [email protected], Rejection =30 dB @10.8&14.3GHz, Upper Rejection 30 dB. Tags: Surface Mount. More details for PDBF-12/13-5D3 can be seen below.