The SF2025B from Murata is a Band Pass Filter with Frequency 246.06 to 273.66 MHz, Bandwidth 13.8 MHz, Center Frequency 259.861 MHz, Insertion Loss 13.3 to 15.5 dB, Power 0.01 W. Tags: Surface Mount, Ceramic, Surface Mount, IF SAW Filter, Ceramic Filter. More details for SF2025B can be seen below.