The AM1575B1706 from Anatech Electronics is a Band Pass Filter with Frequency 1550.42 to 1600.42 MHz, Bandwidth Fo ± 25 MHz, Center Frequency 1575.42 MHz, Insertion Loss 4.5 dB, Rejection 15 to 60 dB. Tags: Surface Mount, Ceramic, Ceramic Filter. More details for AM1575B1706 can be seen below.