The AM417S449 from Anatech Electronics is a Band Pass Filter with Frequency 414.75 to 419.25 MHz, Bandwidth 4.5 MHz, Center Frequency 417 MHz, Insertion Loss 2.1 to 2.8 dB, Upper Rejection 25 dB 430-1700 MHz. Tags: Surface Mount, RF SAW Filter. More details for AM417S449 can be seen below.