The SF2193E from Murata is a Band Pass Filter with Frequency 1.21 to 1.25 GHz, Bandwidth 20 MHz, Center Frequency 1228 MHz, Insertion Loss 3.4 to 4.4 dB, Power 0.003 W. Tags: Surface Mount, Ceramic, Surface Mount, Ceramic Filter. More details for SF2193E can be seen below.