The AM2140B1205 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 dB, Upper Rejection 25 dB 2489-2549 MHz. Tags: Ceramic, Surface Mount, Ceramic Filter. More details for AM2140B1205 can be seen below.