The SF2223D from Murata is a Band Pass Filter with Frequency 154.32 to 214.32 MHz, Bandwidth 30 MHz, Center Frequency 184.32 MHz, Insertion Loss 8.5 to 10 dB, Power 0.01 W. Tags: Surface Mount, Ceramic, Surface Mount, IF SAW Filter, Ceramic Filter. More details for SF2223D can be seen below.