The AM1090B1511 from Anatech Electronics is a Band Pass Filter with Frequency 1090 MHz, Center Frequency 1090 MHz, Insertion Loss 6.5 dB, Upper Rejection 33dBc min at 1078MHz, Lower Rejection 60dBc min at 1065MHz. Tags: Ceramic, Surface Mount, Ceramic Filter. More details for AM1090B1511 can be seen below.