The AM2685B1014 from Anatech Electronics is a Band Pass Filter with Frequency 2.68 to 2.69 GHz, Bandwidth 10 MHz, Center Frequency 2685 MHz, Insertion Loss 1 dB, Rejection 25 to 30 dB. Tags: Surface Mount, Ceramic, Ceramic Filter. More details for AM2685B1014 can be seen below.