The SF2053E from Murata is a Band Pass Filter with Frequency 902.5 to 927.5 MHz, Bandwidth 12.5 MHz, Center Frequency 915 MHz, Insertion Loss 3 to 5 dB, Power 0.1 W. Tags: Surface Mount, Ceramic, Surface Mount, RF SAW Filter, Ceramic Filter. More details for SF2053E can be seen below.