The SF2293E from Murata is a Band Pass Filter with Frequency 1.54 to 1.58 GHz, Bandwidth 21 MHz, Center Frequency 1561 MHz, Insertion Loss 3.3 to 4 dB, Power 0.01 W. Tags: Surface Mount, Ceramic, Surface Mount, RF SAW Filter, Ceramic Filter. More details for SF2293E can be seen below.