The SF2164E from Murata is a Band Pass Filter with Frequency 1.44 to 1.52 GHz, Bandwidth 40 MHz, Center Frequency 1484.3 MHz, Insertion Loss 2 to 4.5 dB, Power 0.01 W. Tags: Surface Mount, Ceramic, Surface Mount, Ceramic Filter. More details for SF2164E can be seen below.