The SF2221A from Murata is a Band Pass Filter with Frequency 192.6 to 194.6 MHz, Bandwidth 1 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 SF2221A can be seen below.