The AM2000B1402 from Anatech Electronics is a Band Pass Filter with Frequency 1.83 to 2.17 GHz, Bandwidth 340 MHz, Center Frequency 2000 MHz, Insertion Loss 1.5 dB, Rejection 4 to 30 dB. Tags: Surface Mount, Ceramic, Ceramic Filter. More details for AM2000B1402 can be seen below.