The AM2535B1145 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 2.2 dB, Lower Rejection 50dB @ 2192-2263 MHz. Tags: Ceramic, Surface Mount, Ceramic Filter. More details for AM2535B1145 can be seen below.