The FB-1575SM (Obsolete) from Marki Microwave is a Band Pass Filter with Frequency 14.6 to 16.9 GHz, Bandwidth 2.3 GHz, Center Frequency 15.75 GHz, Insertion Loss 2 to 3 dB, Rejection 35 to 50 dB. Tags: Surface Mount. More details for FB-1575SM (Obsolete) can be seen below.