The AM3285B1001 from Anatech Electronics is a Band Pass Filter with Frequency 3.26 to 3.31 GHz, Bandwidth 50 MHz, Center Frequency 3285 MHz, Insertion Loss 2 dB, Rejection 10 to 30 dB. Tags: Surface Mount, Ceramic, Ceramic Filter, Monoblock Filter. More details for AM3285B1001 can be seen below.