The AM1455B1393 from Anatech Electronics is a Band Pass Filter with Frequency 1.45 to 1.46 GHz, Bandwidth 7.5 MHz, Center Frequency 1455.4 MHz, Insertion Loss 2 dB, Upper Rejection 30 dB @ 1294.3-1309.3 MHz. Tags: Ceramic, Surface Mount, Ceramic Filter. More details for AM1455B1393 can be seen below.