The AM825B1370 from Anatech Electronics is a Band Pass Filter with Frequency 806.5 to 843.5, Bandwidth 37 MHz, Center Frequency 825 MHz, Insertion Loss 4.0 dB, Upper Rejection 35 dB @ 900-2000 MHz. Tags: Ceramic, Surface Mount, Ceramic Filter. More details for AM825B1370 can be seen below.