The AM2300B1324 from Anatech Electronics is a Band Pass Filter with Frequency 2.2 to 2.4 GHz, Bandwidth 200 MHz, Center Frequency 2300 MHz, Insertion Loss 1.2 dB, Rejection 30 to 45 dB. Tags: Surface Mount, Ceramic, Ceramic Filter. More details for AM2300B1324 can be seen below.