The SF2225E from Murata is a Band Pass Filter with Frequency 2.08 to 2.2 GHz, Bandwidth 60 MHz, Center Frequency 2140 MHz, Insertion Loss 2.1 to 3.5 dB, Power 0.02 W. Tags: Surface Mount, Ceramic, Surface Mount, RF SAW Filter, Ceramic Filter. More details for SF2225E can be seen below.