The AM3150B1325 from Anatech Electronics is a Band Pass Filter with Frequency 3 to 3.3 GHz, Bandwidth 300 MHz, Center Frequency 3150 MHz, Insertion Loss 1.2 dB, Upper Rejection 30 dB @ 3700-6600 MHz. Tags: Ceramic, Surface Mount, Ceramic Filter. More details for AM3150B1325 can be seen below.