The AM2450B1012 from Anatech Electronics is a Band Pass Filter with Frequency 2.4 to 2.5 GHz, Bandwidth 100 MHz, Center Frequency 2450 MHz, Insertion Loss 0.5 dB, Upper Rejection 30dB @ 2800 MHz. Tags: Ceramic, Surface Mount, Ceramic Filter. More details for AM2450B1012 can be seen below.