The SF2165E from Murata is a Band Pass Filter with Frequency 1.55 to 1.63 GHz, Bandwidth 40 MHz, Center Frequency 1586.36 MHz, Insertion Loss 1.8 to 4.5 dB, Power 0.01 W. Tags: Surface Mount, Ceramic, Surface Mount, Ceramic Filter. More details for SF2165E can be seen below.