The AM2535B1407 from Anatech Electronics is a Band Pass Filter with Frequency 2.5 to 2.57 GHz, Bandwidth 70 MHz, Center Frequency 2535 MHz, Insertion Loss 4 dB, Rejection 28 to 38 dB. Tags: Surface Mount, Ceramic, Ceramic Filter. More details for AM2535B1407 can be seen below.