The AM2207B1451 from Anatech Electronics is a Band Pass Filter with Frequency 2.20268 to 2.21132 GHz, Bandwidth 8.64 MHz, Center Frequency 2207 MHz, Insertion Loss 4 dB, Rejection 30 dBc. Tags: Surface Mount, Ceramic, Ceramic Filter. More details for AM2207B1451 can be seen below.