The SF2236G from Murata is a Band Pass Filter with Frequency 1.61 to 1.68 GHz, Bandwidth 35 MHz, Center Frequency 1642.5 MHz, Insertion Loss 2.1 to 3.5 dB, Power 0.003 W. Tags: Surface Mount, Ceramic, Surface Mount, RF SAW Filter, Ceramic Filter. More details for SF2236G can be seen below.