The AM455S140 from Anatech Electronics is a Band Pass Filter with Frequency 455 MHz, Center Frequency 455 MHz, Insertion Loss 1.8 to 2.8 dB, Upper Rejection 28 dB 467.5-1700 MHz, Lower Rejection 50 dB, 462.5 - 467.5 MHz. Tags: Surface Mount, RF SAW Filter. More details for AM455S140 can be seen below.