The TFS1575AG from Vectron International is a Band Pass Filter with Frequency 1555.42 to 1595.42 MHz / 1559 to 1563 MHz / 1563 to 1587 MHz / 1574.22 to 1576.62 MHz / 1587 to 1591 MHz, Insertion Loss 3.4 to 4 dB, Rejection 3 to 35 dB, Upper Rejection 3 to 35 dB, Lower Rejection 3 to 29 dB. Tags: Surface Mount, RF SAW Filter. More details for TFS1575AG can be seen below.