The PDBF-1R1/1R9-7C3 from Sainty-Tech Communications Limited is a Band Pass Filter with Frequency 1.1 to 1.85 GHz, Center Frequency 1.5 GHz, Insertion Loss [email protected], Rejection =40 dB @0.5&2.5GHz, Upper Rejection 40 dB. Tags: Surface Mount. More details for PDBF-1R1/1R9-7C3 can be seen below.