The AM3470B118 from Anatech Electronics is a Band Pass Filter with Frequency 3.405 to 3.535 GHz, Bandwidth 130 MHz, Center Frequency 3470 MHz, Insertion Loss 1.15 dB, Rejection 26 to 30 dB. Tags: Surface Mount, Ceramic, Ceramic Filter. More details for AM3470B118 can be seen below.