The AM3450B1072 from Anatech Electronics is a Band Pass Filter with Frequency 3.4 to 3.5 GHz, Bandwidth 100 MHz, Center Frequency 3450 MHz, Rejection -20 dB, Upper Rejection -20 dB. Tags: Surface Mount, Ceramic, Ceramic Filter, Monoblock Filter. More details for AM3450B1072 can be seen below.