The AM2634B1456 from Anatech Electronics is a Band Pass Filter with Frequency 2.582 to 2.686 GHz, Bandwidth 104 MHz, Center Frequency 2634 MHz, Insertion Loss 3 dB, Rejection 18 to 20 dB. Tags: Surface Mount, Ceramic, Ceramic Filter. More details for AM2634B1456 can be seen below.