The AM2560B1434 from Anatech Electronics is a Band Pass Filter with Frequency 2.545 to 2.575 GHz, Bandwidth 30 MHz, Center Frequency 2560 MHz, Insertion Loss 1.5 dB, Rejection 20 to 40 dB. Tags: Surface Mount, Ceramic, Ceramic Filter. More details for AM2560B1434 can be seen below.