The AM2250B1744 from Anatech Electronics is a Band Pass Filter with Frequency 2.2 to 2.3 GHz, Bandwidth 100 MHz, Center Frequency 2250 MHz, Insertion Loss 1.5 to 2 dB, Power 2 W. Tags: Surface Mount, Ceramic, Ceramic Filter. More details for AM2250B1744 can be seen below.