The AM2185B1593 from Anatech Electronics is a Band Pass Filter with Frequency 2.17 to 2.2 GHz, Bandwidth 30 MHz, Center Frequency 2185 MHz, Insertion Loss 2.5 dB, Rejection 50 to 55 dB. Tags: Surface Mount, Ceramic, Ceramic Filter. More details for AM2185B1593 can be seen below.