The AM2002B1422 from Anatech Electronics is a Band Pass Filter with Frequency 1.888 to 2.117 GHz, Bandwidth 229 MHz, Center Frequency 2002.5 MHz, Insertion Loss 1.2 dB, Rejection 22 to 50 dB. Tags: Surface Mount, Ceramic, Ceramic Filter. More details for AM2002B1422 can be seen below.