The BWBF-5/5R6 from Sainty-Tech Communications Limited is a Band Pass Filter with Frequency 5.05 to 5.45 GHz, Center Frequency 5.25 GHz, Insertion Loss [email protected], Rejection =40 dB @4.5&6.2GHz, Upper Rejection 40 dB. Tags: Surface Mount. More details for BWBF-5/5R6 can be seen below.