The AM2350B1229 from Anatech Electronics is a Band Pass Filter with Frequency 2.3 to 2.4 GHz, Bandwidth 100 MHz, Center Frequency 2350 MHz, Insertion Loss 2 dB, Lower Rejection 35dB @ 1992-2247 MHz. Tags: Ceramic, Surface Mount, Ceramic Filter. More details for AM2350B1229 can be seen below.