The AM1090S816 from Anatech Electronics is a Band Pass Filter with Frequency 548 MHz to 1.63 GHz, Bandwidth 1084 MHz, Center Frequency 1090 MHz, Insertion Loss 4.33 to 5.3 dB, Upper Rejection 58 dB 924.0 - 944.0 MHz. Tags: Surface Mount, RF SAW Filter. More details for AM1090S816 can be seen below.