The SF2219A from Murata is a Band Pass Filter with Frequency 193.21 to 193.99 MHz, Bandwidth 0.39 MHz, Center Frequency 193.6 MHz, Insertion Loss 8 to 9 dB, Power 0.063 W. Tags: Surface Mount, Ceramic, Surface Mount, RF SAW Filter, Ceramic Filter. More details for SF2219A can be seen below.