The SF2169E from Murata is a Band Pass Filter with Frequency 1.75 to 1.83 GHz, Bandwidth 40 MHz, Center Frequency 1790.48 MHz, Insertion Loss 4.5 to 5.5 dB, Operating_Temperature -40 to 85 Degree C. Tags: Surface Mount, Ceramic, Surface Mount, Ceramic Filter. More details for SF2169E can be seen below.