The SF2236E 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 1.8 to 3.5 dB, Power 0.01 W. Tags: Surface Mount, Ceramic, Surface Mount, RF SAW Filter, Ceramic Filter. More details for SF2236E can be seen below.