The TFS1575D from Vectron International is a Band Pass Filter with Frequency 1563 to 1587 MHz, Insertion Loss 3.5 to 5 dB, Rejection 25 to 42 dB, Upper Rejection 25 to 42 dB, Lower Rejection 25 to 42 dB. Tags: Surface Mount, RF SAW Filter. More details for TFS1575D can be seen below.