The SF2234E-1 from Murata is a Band Pass Filter with Frequency 1.95 to 2.03 GHz, Bandwidth 40 MHz, Center Frequency 1985 MHz, Insertion Loss 1.8 to 2.5 dB, Power 0.031 W. Tags: Surface Mount, Ceramic, Surface Mount, RF SAW Filter, Ceramic Filter. More details for SF2234E-1 can be seen below.