The AM1343B1533 from Anatech Electronics is a Band Pass Filter with Frequency 1337 to 1350 MHz, Bandwidth 13 MHz, Center Frequency 1343.5 MHz, Insertion Loss 3.5 dB, Rejection 20 to 50 dB. Tags: Surface Mount, Ceramic, Ceramic Filter. More details for AM1343B1533 can be seen below.