The PDBF-1R6/2R9-16C3 from Sainty-Tech Communications Limited is a Band Pass Filter with Frequency 1.7 to 2.7 GHz, Center Frequency 2.2 GHz, Insertion Loss [email protected], Rejection =25 dB @1.3 & 3.2 GHz, Upper Rejection 25 dB. Tags: Surface Mount. More details for PDBF-1R6/2R9-16C3 can be seen below.