The SF2092E from Murata is a Band Pass Filter with Frequency 791.5 to 828.5 MHz, Bandwidth 18.5 MHz, Center Frequency 810 MHz, Insertion Loss 1.6 to 3.8 dB, Power 0.031 W. Tags: Surface Mount, Ceramic, Surface Mount, RF SAW Filter. More details for SF2092E can be seen below.