The PDBF-1R6/2-6D3 from Sainty-Tech Communications Limited is a Band Pass Filter with Frequency 1.6 to 2 GHz, Center Frequency 1.8 GHz, Insertion Loss [email protected], Rejection =25 dB @1.1&2.4GHz, Upper Rejection 25 dB. Tags: Surface Mount. More details for PDBF-1R6/2-6D3 can be seen below.