The AM1090B1573 from Anatech Electronics is a Band Pass Filter with Frequency 1083.5 to 1096.5 MHz, Bandwidth 13 MHz, Center Frequency 1090 MHz, Insertion Loss 4 dB, Rejection 30 to 80 dB. Tags: Surface Mount, Ceramic, Ceramic Filter. More details for AM1090B1573 can be seen below.