The AM902B1210 from Anatech Electronics is a Band Pass Filter with Frequency 890 to 905 MHz, Bandwidth 25 MHz, Center Frequency 902.5 MHz, Insertion Loss 1.0 dB, Lower Rejection 15 dB @ 935-960 MHz. Tags: Ceramic, Surface Mount, Ceramic Filter. More details for AM902B1210 can be seen below.