The AM763B1389 from Anatech Electronics is a Band Pass Filter with Frequency 760.5 to 765.5 MHz, Bandwidth 5 MHz, Center Frequency 763 MHz, Insertion Loss 3.6 dB, Upper Rejection 25 dB @ 788-798 MHz. Tags: Ceramic, Surface Mount, Ceramic Filter. More details for AM763B1389 can be seen below.