The AM2337B1342 from Anatech Electronics is a Band Pass Filter with Frequency 2.175 to 2.5 GHz, Bandwidth 325 MHz, Center Frequency 2337.5 MHz, Insertion Loss 3 dB, Rejection 20 to 45 dB. Tags: Surface Mount, Ceramic, Ceramic Filter. More details for AM2337B1342 can be seen below.