The AM2300B1267 from Anatech Electronics is a Band Pass Filter with Frequency 2.235 to 2.365 GHz, Bandwidth 130 MHz, Center Frequency 2300 MHz, Insertion Loss 3 dB, Rejection 40 to 50 dB. Tags: Surface Mount, Ceramic, Ceramic Filter. More details for AM2300B1267 can be seen below.