The SF2021B from Murata is a Band Pass Filter with Frequency 69.87 to 77.33 MHz, Bandwidth 3.73 MHz, Center Frequency 73.5996 MHz, Insertion Loss 9 to 10 dB, Operating_Temperature -40 to 85 Degree C. Tags: Surface Mount, Ceramic, Surface Mount, Ceramic Filter. More details for SF2021B can be seen below.