The AM2260B531 from Anatech Electronics is a Band Pass Filter with Frequency 2.235 to 2.285 GHz, Bandwidth 50 MHz, Center Frequency 2260 MHz, Insertion Loss 2.7 dB, Rejection 10 to 45 dB. Tags: Surface Mount, Ceramic, Ceramic Filter. More details for AM2260B531 can be seen below.