The AM1488B1287 from Anatech Electronics is a Band Pass Filter with Frequency 1.47 to 1.5 GHz, Bandwidth 25 MHz, Center Frequency 1488.4 MHz, Insertion Loss 3.8 dB, Upper Rejection 20dB @ 1427.9-1452.9 MHz. Tags: Ceramic, Surface Mount, Ceramic Filter. More details for AM1488B1287 can be seen below.