The AM2700B1214 from Anatech Electronics is a Band Pass Filter with Frequency 2.68 to 2.73 GHz, Bandwidth 50 MHz, Center Frequency 2700 MHz, Insertion Loss 2.0 dB, Lower Rejection 70 dB @ 2450 MHz. Tags: Ceramic, Surface Mount, Ceramic Filter. More details for AM2700B1214 can be seen below.