The SF0822012 from Filtronetics is a Band Pass Filter with Frequency 813.25 to 831.75 MHz, Bandwidth 18.5 MHz, Center Frequency 822.5 MHz, Insertion Loss 2 to 3 dB, Rejection 40 to 42 dB. Tags: Surface Mount, RF SAW Filter. More details for SF0822012 can be seen below.