The AM2300B1403 from Anatech Electronics is a Band Pass Filter with Frequency 2.13 to 2.47 GHz, Bandwidth 340 MHz, Center Frequency 2300 MHz, Insertion Loss 1.5 dB, Rejection 28 to 35 dB. Tags: Surface Mount, Ceramic, Ceramic Filter. More details for AM2300B1403 can be seen below.