The AM2140B205 from Anatech Electronics is a Band Pass Filter with Frequency 2.11 to 2.17 GHz, Bandwidth 60 MHz, Center Frequency 2140 MHz, Insertion Loss 2.4 dB, Upper Rejection 18 dB 2190 MHz. Tags: Ceramic, Surface Mount, Ceramic Filter. More details for AM2140B205 can be seen below.