The AM2350B1091 from Anatech Electronics is a Band Pass Filter with Frequency 2.3 to 2.4 GHz, Bandwidth 100 MHz, Center Frequency 2350 MHz, Upper Rejection 40 dB @ 2600-5000 MHz, Lower Rejection 40 dB @ DC-2100 MHz. Tags: Ceramic, Surface Mount, Ceramic Filter. More details for AM2350B1091 can be seen below.