The SF1220G from Murata is a Band Pass Filter with Frequency 2.31 to 2.34 GHz, Bandwidth 14 MHz, Center Frequency 2326 MHz, Insertion Loss 2.6 to 3.2 dB, Power 0.031 W. Tags: Surface Mount, Ceramic, Surface Mount, RF SAW Filter, Ceramic Filter. More details for SF1220G can be seen below.