The AM1643B504 from Anatech Electronics is a Band Pass Filter with Frequency 1.63 to 1.66 GHz, Bandwidth 34 MHz, Center Frequency 1643 MHz, Insertion Loss 2.5 dB, Upper Rejection 24dB @ 175.5 MHz. Tags: Ceramic, Surface Mount, Ceramic Filter. More details for AM1643B504 can be seen below.
